essay with primary sources

21 Examples of Primary Sources (A to Z List)

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Primary sources are pieces of data directly connected to an event. Generally, the source was created at the time in which the event occurred.

A primary source is generally understood in contrast to a secondary source, which is a source that reports on and makes comments on primary sources after the fact.

Primary sources should reveal new data about something. By contrast, secondary sources simply comment on or re-examine existing data.

However, as we’ll explore, the distinction between primary and secondary sources becomes very unclear very quickly. This is because context and the scholarly field of study matter in defining something as a primary vs secondary source.

Primary Source Examples

1. artifacts (in archeology).

Artifacts in archeology are objects crafted by humans. Examples of artifacts include tools, pottery, and arrowheads that are found in excavations.

These artifacts provide new first-hand accounts of what life was like at the time. They aren’t recounts or reflections. They’re the actual physical objects from the era. They’re therefore considered primary sources for analysis.

When an artifact reveals information about the culture of the time, we call it a cultural artifact. Examples of cultural artifacts include artworks and children’s toys found in a dig.

2. Audio Recordings

Audio recordings of an event are considered primary sources. For example, recorded audio of Richard Nixon taking in the oval office during the watergate scandal is a primary source: it is literally a recording of him committing a crime.

However, audio recordings of interviews with people after the event (such as an interview that takes place 2 weeks after something has happened) could be primary or secondary, depending on the context and academic discipline.

In many cases post-event interviews are seen as secondary because they do not occur concurrent with the occasion. Hindsight and memory are too imperfect to consider this a primary source.

In other cases, audio recordings such as interviews taken after an event are most certainly primary sources. For example, interview research in social science research is generally seen as primary research (as opposed to, for example, a literature review , which is considered secondary research ).

3. Autobiographies and Memoirs

Autobiographies and memoirs are considered primary sources in instances where someone is studying the life of the writer.

In these cases, those accounts of a person by a person are direct reports that can give new insights or direct clarity about the person.

By contrast, a biography (a story written by an author about someone else) would be considered a secondary source because it is a journalistic piece written about rather than by the person.

4. Biofacts (in Archeology)

Biofacts are organic matter found in archeological excavations. They differ from artifacts because they’re not just crafted by humans; they’re actually natural objects like bones and shells.

A biofact, such as the bones of an Egyptian mummy, can reveal direct and unfiltered information about the people of the times. For example, they can give us unambiguous information about the height of humans during an era, how a human died, or whether a culture of humans in the past created jewelry out of shells.

A diary is arguably a better version of primary data than a memoir and further down the scale toward a primary source and away from a secondary source.

This is because diaries are usually written at the time of the event . They are written when the memory of things are fresh in the mind of the writer, meaning there is less fog of time and less time for memory to fade or change.

Emails are records of events that took place at the time in which they were occurring.

An email can therefore form compelling evidence that can be revealing of the thought processes of people under study. They can, for example, be produced as primary evidence during court hearings about a dispute between two people emailing one another.

Emails may become secondary sources if they are simply a typed-out opinion on an event . In this case, the opinionated email is only secondary data about the event on which a person is speaking as it’s not connected to the event directly.

7. Features (in Archeology)

In archeology, a feature is an immovable contextual piece found during an archeological survey. They help reveal information about the time and place.

Examples of features include hearths, remains of walls, and remains of firepits. They can help reveal information about the architecture of the day, how people cooked, and how large settlements were within a geographical area.

8. Government Documents

Government documents, such as records of births, deaths, and marriages, are primary sources about a time and place.

Historians look back at government documents from civilizations of the past to get information about the size of cities, the health of their citizens, and so forth.

In hundreds or thousands of years in the future, future civilizations may look at government records of today to get first-hand information about our society, as well.

9. Interviews

If you conduct an interview yourself and use it as data in a research study, then that interview is generally considered a primary source of data.

Interviews are, in fact, some of the most common ways to conduct primary research for undergraduate research students. They can be an integral part of straightforward qualitative research studies to help ease students into the world of primary research.

In some instances and by some academic standards, such as if an interview is a person’s recount of an event and you are analyzing “what happened during an event”, then it may be a secondary source.

But if the study is of “15 people’s opinions of an event”, then the interview in which they share their opinions will be a primary source.

Here, you can see that the research question (whether the focus is on the event or opinions of the event) is important in determining whether some things are primary or secondary sources.

10. Letters

A letter posted from one person to another can be a primary source for a historian looking to unveil new information about their relationship.

For example, love letters between couples separated during WWII would be compelling primary sources for a historian writing a book about soldiers and their wives during the war.

Similarly, were a biographer to find a letter of invitation for a person to attend a university, then that letter of invitation is compelling primary evidence that would confirm that they had, in fact, been accepted to study there.

11. Manuscripts

Manuscripts are the original copies of a book or essay. They can be extremely revealing of original data that took place before it had become distorted through transcriptions.

Historically, they were the original pieces written by hand before the manuscript was typed out and printed. Today, they can be the drafts written on a computer before editors requested edits.

One example of the search for the original manuscripts is the bible. The original manuscripts of many books of the bible are missing. People search out those manuscripts to find the exact original text given that meaning may have been lost over time with so much transcription over time.

Original maps, such as the maps drawn by explorers like Christopher Columbus and Captain James Cook, can reveal important first-hand information about the travels of those explorers.

These maps might be able to reveal information about what people were thinking at a certain time, their knowledge of their terrain, and even the extent of expansion of cities at certain times. 

Similarly, a map of a city from a particular year might reveal information about when some shops opened and when buildings were constructed.

13. Metadata

Metadata is data that gives contextual information about the data.

The best example is images on the internet. The image is the data, but the image file also contains information like:

• The name of the file
• When the file was created
• Where the file was created
• Who created the file
• Who owns the copyright
• A brief description of the photo (often called the alt tag)

This metadata can be extremely useful when doing forensic analysis.

For example, if detectives are trying to determine the sequence of events for a crime, they can look through phone records to identify where a person was at a certain time based on the metadata saying when, where, and to whom they made phone calls.

This metadata can help place someone at a crime scene or, alternatively, help exonerate someone from a crime by proving their alibi.

14. Newspapers and Magazine Clippings

Old magazine clippings can give us great insights into the events of the past.

When examining an event, the magazine clipping reporting on the event can be a very close proximate and contextual element worthy of first-hand analysis.

For example, magazine clippings of the days leading up to the first world war could be excellent primary sources when examining the social milieu at the time when the war began.

15. Photographs

Photographs capture an exact moment in history. Everything within the scene can give some first-hand context that we can learn from.

This primary data can be used when gathering information about the exact aftermath of an event, people’s guttural reactions (through examining facial expressions), and even the finer details of the interiors of a house. They could, similarly, reveal first-hand data about the fashion of a time.

16. Research Data

Raw research data, such as the raw data from a survey, scientific analysis, poll, or other quantitative studies, acts as a primary source.

Other examples include test results, protein and genetic sequences, audiotapes, questionnaires, and field notes.

This research data often needs to be interpreted by trained scientists and researchers. Sometimes, primary data is extremely difficult to interpret, which is why secondary sources are often necessary (i.e. sources that interpret, analyze, and present the primary data through their own studies and journalism).

17. Social Media Posts

Social media posts are some of the newest examples of primary sources that are coming back to bite people these days.

Politicians, actors, and public figures have their old social media posts scoured for embarrassing or offensive comments. These posts are presented as firm evidence of the opinions and behaviors of a person at a specific time in their lives.

18. Speeches

Famous speeches from history are regularly used as first-hand accounts of events. 

Speeches such as the Gettysburg address are transcribed and kept as the raw primary data. To this day, those speeches act as the closest accounts we can get to the exact words and thoughts of the person.

Today, a speech may be saved in audio or video form, making it an even more authoritative source.

19. Statistics

Statistics can provide objective data from a time and place. They can help us piece together history via a first-hand account taken at the time of the event.

For example, historical censuses allow us to not only know about the population data of a country at a certain time in history, but they allow us to map how fast populations have grown and make projections about population growth into the future.

One example of an early census is the Chinese census that took place in the year 2 CE. This census found that there were 57,671,400 individuals living in 12,366,470 households.

Another famous census was William the Conquerer’s census of 1086 in England, nicknamed the Doomesday Book . The purpose of this census was to determine how many people he could tax after taking over the country following the Battle of Hastings.

20. Studies and Reports

In the natural sciences, reports that deliver the findings of research data (including, most commonly, academic peer-reviewed journal articles ) are considered primary sources.

This is because the reports present findings of a first-hand study, rather than (for example) reviews of literature or syntheses of other people’s data.

Similarly, in journalism, an academic report will be considered primary data whereas a journalistic article discussing an academic report would be secondary. Therefore, journalists generally aim to find and read the original report (aka primary source) rather than citing other people who cite something.

21. Video recordings

Video of famous events can help reveal first-hand information about the event, much like photos.

An example of a video recording that can act as a primary source is CTV footage. This may be usable, for example, in the court of law, and can hold sway when convicting someone.

For videos and photographs, however, it’s important to think about what’s outside of the frame of the scene. Even a primary source needs to be examined critically.

Primary sources are generally believed to be more authoritative than secondary sources. However, they’re also very difficult to interpret, making secondary sources necessary.

Furthermore, different scholarly, academic, and journalistic traditions will have different ideas about what a primary source really is. As a result, some of the examples of primary sources in this list will not be suitable in all traditions.

• Chris Drew (PhD) https://helpfulprofessor.com/author/chris-drew-phd-2/ 10 Reasons you’re Perpetually Single
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Program Teachers

Getting started with primary sources.

What are primary sources?

Primary sources are the raw materials of history — original documents and objects that were created at the time under study. They are different from secondary sources, accounts that retell, analyze, or interpret events, usually at a distance of time or place.

Why teach with primary sources?

Bringing young people into close contact with these unique, often profoundly personal, documents and objects can give them a sense of what it was like to be alive during a long-past era. Helping students analyze primary sources can also prompt curiosity and improve critical thinking and analysis skills.

Primary sources expose students to multiple perspectives on significant issues of the past and present. In analyzing primary sources, students move from concrete observations and facts to questioning and making inferences about the materials. Interacting with primary sources engages students in asking questions, evaluating information, making inferences, and developing reasoned explanations and interpretations of events and issues.

Before you begin

Successful student interactions with primary sources require careful primary source selections and lesson planning.

• Select one or more primary sources that support the learning objectives and are accessible to students. Consider your students' needs and interests and any logistical factors for using the item, such as legibility or copyright status. The Library of Congress Primary Source Sets for educators are a good place to start and the Free to Use and Reuse sets for more general audiences are another.
• Consider whether students will be able to identify point of view, put the items into historical context, and compare these items to other primary and secondary sources.
• Plan instruction, including activity types, time required, and whether students will work individually, in small groups, or as a whole class. Use the Primary Source Analysis Tool from the Library of Congress and select guiding questions from the teacher's guide to support students in analyzing the primary sources.

Engage students with primary sources

Primary sources help students relate in a personal way to events of the past and promote a deeper understanding of history as a series of human events. Because primary sources are incomplete snippets of history, each one represents a mystery that students can only explore further by finding new pieces of evidence.

Ask students to observe each primary source.

• Where does your eye go first?
• What do you see that you didn’t expect?
• What powerful words and ideas are expressed?

Encourage students to think about their response to the source.

• What feelings and thoughts does the primary source trigger in you?
• What questions does it raise?

Promote student inquiry

Inquiry into primary sources encourages students to wrestle with contradictions and compare multiple sources that represent differing points of view, confronting the complexity of the past.

Encourage students to speculate about each source, its creator, and its context.

• What was happening during this time period?
• What was the creator’s purpose in making this primary source?
• What does the creator do to get his or her point across?
• What was this primary source’s audience?
• What biases or stereotypes do you see?

Ask if this source agrees with other primary sources, or with what the students already know.

Assess how students apply critical thinking and analysis skills to primary sources

Primary sources are often incomplete and have little context. Students must use prior knowledge and work with multiple resources to find patterns and construct knowledge.

Questions of creator bias, purpose, and point of view may challenge students’ assumptions.

• Ask students to test their assumptions about the past.
• Ask students to find other primary or secondary sources that offer support or contradiction.
• Ask for reasons and specific evidence to support their conclusions.
• Help students identify questions for further investigation and develop strategies for how they might answer them.

Offer students opportunities to demonstrate their learning by writing an essay, delivering a speech taking a stand on an issue in the primary sources, or creating a museum display about a historical topic. For more follow-up activity ideas, take a look at the general or format-specific teacher's guides .

What Is a Primary Source?

Glossary of Grammatical and Rhetorical Terms - Definition and Examples

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• An Introduction to Punctuation
• Ph.D., Rhetoric and English, University of Georgia
• M.A., Modern English and American Literature, University of Leicester
• B.A., English, State University of New York

In research and academics, a primary source refers to information collected from sources that witnessed or experienced an event firsthand. These can be historical documents , literary texts, artistic works, experiments, journal entries, surveys, and interviews. A primary source, which is very different from a secondary source , is also called primary data.

The Library of Congress defines primary sources as "the raw materials of history—original documents and objects which were created at the time under study," in contrast to secondary sources , which are "accounts or interpretations of events created by someone without firsthand experience," ("Using Primary Sources").

Secondary sources are often meant to describe or analyze a primary source and do not give firsthand accounts; primary sources tend to provide more accurate depictions of history but are much harder to come by.

Characteristics of Primary Sources

There are a couple of factors that can qualify an artifact as a primary source. The chief characteristics of a primary source, according to Natalie Sproull, are: "(1) [B]eing present during the experience, event or time and (2) consequently being close in time with the data. This does not mean that data from primary sources are always the best data."

Sproull then goes on to remind readers that primary sources are not always more reliable than secondary sources. "Data from human sources are subject to many types of distortion because of such factors as selective recall, selective perceptions, and purposeful or nonpurposeful omission or addition of information. Thus data from primary sources are not necessarily accurate data even though they come from firsthand sources," (Sproull 1988).

Original Sources

Primary sources are often called original sources, but this is not the most accurate description because you're not always going to be dealing with original copies of primary artifacts. For this reason, "primary sources" and "original sources" should be considered separate. Here's what the authors of "Undertaking Historical Research in Literacy," from Handbook of Reading Research , have to say about this:

"The distinction also needs to be made between primary and original sources . It is by no means always necessary, and all too often it is not possible, to deal only with original sources. Printed copies of original sources, provided they have been undertaken with scrupulous care (such as the published letters of the Founding Fathers), are usually an acceptable substitute for their handwritten originals." (E. J. Monaghan and D. K. Hartman, "Undertaking Historical Research in Literacy," in Handbook of Reading Research , ed. by P. D. Pearson et al. Erlbaum, 2000)

When to Use Primary Sources

Primary sources tend to be most useful toward the beginning of your research into a topic and at the end of a claim as evidence, as Wayne Booth et al. explain in the following passage. "[Primary sources] provide the 'raw data' that you use first to test the working hypothesis and then as evidence to support your claim . In history, for example, primary sources include documents from the period or person you are studying, objects, maps, even clothing; in literature or philosophy, your main primary source is usually the text you are studying, and your data are the words on the page. In such fields, you can rarely write a research paper  without using primary sources," (Booth et al. 2008).

When to Use Secondary Sources

There is certainly a time and place for secondary sources and many situations in which these point to relevant primary sources. Secondary sources are an excellent place to start. Alison Hoagland and Gray Fitzsimmons write: "By identifying basic facts, such as year of construction, secondary sources can point the researcher to the best primary sources , such as the right tax books. In addition, a careful reading of the bibliography in a secondary source can reveal important sources the researcher might otherwise have missed," (Hoagland and Fitzsimmons 2004).

Finding and Accessing Primary Sources

As you might expect, primary sources can prove difficult to find. To find the best ones, take advantage of resources such as libraries and historical societies. "This one is entirely dependent on the assignment given and your local resources; but when included, always emphasize quality. ... Keep in mind that there are many institutions such as the Library of Congress that make primary source material freely available on the Web," (Kitchens 2012).

Methods of Collecting Primary Data

Sometimes in your research, you'll run into the problem of not being able to track down primary sources at all. When this happens, you'll want to know how to collect your own primary data; Dan O'Hair et all tell you how: "If the information you need is unavailable or hasn't yet been gathered, you'll have to gather it yourself. Four basic methods of collecting primary data are field research, content analysis, survey research, and experiments. Other methods of gathering primary data include historical research, analysis of existing statistics, ... and various forms of direct observation," (O'Hair et al. 2001).

• Booth, Wayne C., et al. The Craft of Research . 3rd ed., University of Chicago Press, 2008.
• Hoagland, Alison, and Gray Fitzsimmons. "History."  Recording Historic Structures. 2nd. ed., John Wiley & Sons, 2004.
• Kitchens, Joel D. Librarians, Historians, and New Opportunities for Discourse: A Guide for Clio's Helpers . ABC-CLIO, 2012.
• Monaghan, E. Jennifer, and Douglas K. Hartman. "Undertaking Historical Research in Literacy." Handbook of Reading Research. Lawrence Erlbaum Associates, 2002.
• O'Hair, Dan, et al. Business Communication: A Framework for Success . South-Western College Pub., 2001.
• Sproull, Natalie L. Handbook of Research Methods: A Guide for Practitioners and Students in the Social Sciences. 2nd ed. Scarecrow Press, 1988.
• "Using Primary Sources." Library of Congress .
• Secondary Sources in Research
• Documentation in Reports and Research Papers
• Primary and Secondary Sources in History
• Definition and Examples of Primary Verbs in English
• What Is an Annotated Bibliography?
• Research in Essays and Reports
• An Introduction to Academic Writing
• Definition and Examples of Science Writing
• Definition and Examples of Interjections in English
• What Is Zimbabwean English
• Definition and Examples of Humorous Essays
• Definition and Examples of Target Domain in Conceptual Metaphors
• Definition and Examples of Explication (Analysis)
• Definition and Examples of Corpora in Linguistics
• What Is the Genitive Case?

Primary, Secondary, and Tertiary Sources: A Quick Guide: Primary Sources

• Primary Sources
• Secondary Sources
• Tertiary Sources

What is a Primary Source?

Here are two definitions that try to capture the elusive nature of primary documents.

A definition from Cornell University:

A definition from Yale University:

"What are primary sources? Primary sources provide firsthand testimony or direct evidence concerning a topic or question under investigation.

They are usually created by witnesses or recorders who experienced the events or conditions being documented. Often these sources are created at the time when the events or conditions are occurring, but primary sources can also include autobiographies, memoirs, and oral histories recorded later." [ Primary Sources at Yale . Yale University.] Also on this site: Primary Sources come in all shapes and sizes.

A Photograph Can be a Primary Source

Antietam, Md. President Lincoln with Gen. George B. McClellan and group of officers. [October 3, 1862] Gardner, Alexander, 1821-1882, photographer. Source : Library of Congress, Prints & Photographs Division

Online Collections of Primary Sources: Examples

• Library of Congress. Digital Collections. Washington: Library of Congress, National Digital Library Program, 1994- .
• History: Primary Sources Databases. Cornell University Library.
• Making of America: The Cornell University Library MOA collection Ithaca, NY: Cornell University Library, 1996- .
• Valley of the Shadow: Two Communities in the American Civil War

Permissions Information

If you wish to use or adapt any or all of the content of this Guide go to Cornell Library's Research Guides Use Conditions to review our use permissions and our Creative Commons license.

• Next: Secondary Sources >>
• Last Updated: Apr 12, 2024 4:30 PM
• URL: https://guides.library.cornell.edu/sources

Finding Sources

Primary and secondary sources.

Knowing the difference between primary and secondary sources will help you determine what types of sources you may need to include in your research essay. In general, primary sources are original works (original historical documents, art works, interviews, etc.), while secondary sources contain others’ insights and writings about those primary works (scholar articles about historical documents, art works, interviews, etc.).

While many scholarly sources are secondary sources, you will sometimes be asked to find primary sources in your research. For this reason, you should understand the differences between primary, secondary, and tertiary sources.

• Primary sources allow researchers to get as close as possible to original ideas, events, and empirical research as possible. Such sources may include creative works, first hand or contemporary accounts of events, and the publication of the results of empirical observations or research. These include diaries, interviews, speeches, photographs, etc.
• Secondary sources analyze, review, or summarize information in primary resources or other secondary resources. Even sources presenting facts or descriptions about events are secondary unless they are based on direct participation or observation. These include biographies, journal articles, books, and dissertations.
• Tertiary sources provide overviews of topics by synthesizing information gathered from other resources. Tertiary resources often provide data in a convenient form or provide information with context by which to interpret it. These are often grouped together with secondary sources. They include encyclopedias and dictionaries.

Analyze your topic/working thesis to determine the types of sources that can help with support.  For example, if your topic deals with Van Gogh’s use of pale green and what it connotes in his later paintings, you will need to couple evidence from primary sources (images of the paintings themselves) with secondary sources (other scholars’ views, discussions, and logical arguments about the same topic).  If your working thesis deals with the benefits of regular exercise for older adults in their 70s-90s, you may couple evidence from primary sources (uninterpreted data from research studies, interviews with older adults or experts in the field) with secondary sources (interpretations of research studies).  In some cases, you may find that your research is mostly from secondary sources and that’s fine, depending on your topic and working thesis.  Just make sure to consider, consciously, the types of sources that can best be used to support your own ideas.

The following video provides a clear overview of primary and secondary sources.

• Primary and Secondary Sources. Revision and adaptation of the page What Are Scholarly Articles? at https://courses.lumenlearning.com/wm-englishcomposition1/chapter/text-intermediate-research-strategies/which is a revision and adaptation of the sources listed below. Authored by : Susan Oaks. Provided by : Empire State College, SUNY OER Services. Project : College Writing. License : CC BY-NC-SA: Attribution-NonCommercial-ShareAlike
• What Are Scholarly Articles?. Provided by : Lumen Learning. Project : English Composition I. License : CC BY-NC-SA: Attribution-NonCommercial-ShareAlike
• Primary, secondary, and tertiary sources. Provided by : Virginia Tech University Libraries. Located at : http://www.lib.vt.edu/help/research/primary-secondary-tertiary.html . License : CC BY-NC-SA: Attribution-NonCommercial-ShareAlike
• Secondary Sources in their Natural Habitat. Authored by : Amy Guptill. Provided by : SUNY. Located at : http://pressbooks.opensuny.org/writing-in-college-from-competence-to-excellence/chapter/4/ . Project : Writing in College. License : CC BY-NC-SA: Attribution-NonCommercial-ShareAlike
• Walk, Talk, Cook, Eat: A Guide to Using Sources. Authored by : Cynthia R. Haller. Provided by : Saylor. Located at : . Project : Writing Spaces: Readings on Writing Vol. 2. License : CC BY-NC-SA: Attribution-NonCommercial-ShareAlike
• Scholarly Sources. Provided by : Boundless. Located at : https://www.boundless.com/writing/textbooks/boundless-writing-textbook/the-research-process-2/understanding-the-academic-context-of-your-topic-261/understanding-the-academic-context-of-your-topic-34-1667 . Project : Boundless Writing. License : CC BY-NC-SA: Attribution-NonCommercial-ShareAlike
• image of open book. Authored by : Hermann. Provided by : Pixabay. Located at : https://pixabay.com/en/book-open-pages-library-books-408302 . License : CC0: No Rights Reserved
• video Understanding Primary & Secondary Sources. Provided by : Imagine Easy Solutions. Located at : https://www.youtube.com/watch?v=pmno-Yfetd8 . License : Other . License Terms : Standard YouTube License

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• Primary vs. Secondary Sources | Difference & Examples

Primary vs. Secondary Sources | Difference & Examples

Published on 4 September 2022 by Raimo Streefkerk . Revised on 15 May 2023.

When you do research, you have to gather information and evidence from a variety of sources.

Primary sources provide raw information and first-hand evidence. Examples include interview transcripts, statistical data, and works of art. A primary source gives you direct access to the subject of your research.

Secondary sources provide second-hand information and commentary from other researchers. Examples include journal articles, reviews, and academic books . A secondary source describes, interprets, or synthesises primary sources.

Primary sources are more credible as evidence, but good research uses both primary and secondary sources.

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Table of contents

What is a primary source, what is a secondary source, primary and secondary source examples, how to tell if a source is primary or secondary, primary vs secondary sources: which is better, frequently asked questions about primary and secondary sources.

A primary source is anything that gives you direct evidence about the people, events, or phenomena that you are researching. Primary sources will usually be the main objects of your analysis.

If you are researching the past, you cannot directly access it yourself, so you need primary sources that were produced at the time by participants or witnesses (e.g. letters, photographs, newspapers ).

If you are researching something current, your primary sources can either be qualitative or quantitative data that you collect yourself (e.g. through interviews, surveys, experiments) or sources produced by people directly involved in the topic (e.g. official documents or media texts).

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A secondary source is anything that describes, interprets, evaluates, or analyses information from primary sources. Common examples include:

• Books , articles and documentaries that synthesise information on a topic
• Synopses and descriptions of artistic works
• Encyclopaedias and textbooks that summarize information and ideas
• Reviews and essays that evaluate or interpret something

When you cite a secondary source, it’s usually not to analyse it directly. Instead, you’ll probably test its arguments against new evidence or use its ideas to help formulate your own.

Examples of sources that can be primary or secondary

A secondary source can become a primary source depending on your research question . If the person, context, or technique that produced the source is the main focus of your research, it becomes a primary source.

To determine if something can be used as a primary or secondary source in your research, there are some simple questions you can ask yourself:

• Does this source come from someone directly involved in the events I’m studying (primary) or from another researcher (secondary)?
• Am I interested in analysing the source itself (primary) or only using it for background information (secondary)?
• Does the source provide original information (primary) or does it comment upon information from other sources (secondary)?

Most research uses both primary and secondary sources. They complement each other to help you build a convincing argument. Primary sources are more credible as evidence, but secondary sources show how your work relates to existing research.

What do you use primary sources for?

Primary sources are the foundation of original research. They allow you to:

• Make new discoveries
• Provide credible evidence for your arguments
• Give authoritative information about your topic

If you don’t use any primary sources, your research may be considered unoriginal or unreliable.

What do you use secondary sources for?

Secondary sources are good for gaining a full overview of your topic and understanding how other researchers have approached it. They often synthesise a large number of primary sources that would be difficult and time-consuming to gather by yourself. They allow you to:

• Gain background information on the topic
• Support or contrast your arguments with other researchers’ ideas
• Gather information from primary sources that you can’t access directly (e.g. private letters or physical documents located elsewhere)

When you conduct a literature review , you can consult secondary sources to gain a thorough overview of your topic. If you want to mention a paper or study that you find cited in a secondary source, seek out the original source and cite it directly.

Remember that all primary and secondary sources must be cited to avoid plagiarism . You can use Scribbr’s free citation generator to do so!

Common examples of primary sources include interview transcripts , photographs, novels, paintings, films, historical documents, and official statistics.

Anything you directly analyze or use as first-hand evidence can be a primary source, including qualitative or quantitative data that you collected yourself.

Common examples of secondary sources include academic books, journal articles , reviews, essays , and textbooks.

Anything that summarizes, evaluates or interprets primary sources can be a secondary source. If a source gives you an overview of background information or presents another researcher’s ideas on your topic, it is probably a secondary source.

To determine if a source is primary or secondary, ask yourself:

• Was the source created by someone directly involved in the events you’re studying (primary), or by another researcher (secondary)?
• Does the source provide original information (primary), or does it summarize information from other sources (secondary)?
• Are you directly analyzing the source itself (primary), or only using it for background information (secondary)?

Some types of sources are nearly always primary: works of art and literature, raw statistical data, official documents and records, and personal communications (e.g. letters, interviews ). If you use one of these in your research, it is probably a primary source.

Primary sources are often considered the most credible in terms of providing evidence for your argument, as they give you direct evidence of what you are researching. However, it’s up to you to ensure the information they provide is reliable and accurate.

Always make sure to properly cite your sources to avoid plagiarism .

A fictional movie is usually a primary source. A documentary can be either primary or secondary depending on the context.

If you are directly analysing some aspect of the movie itself – for example, the cinematography, narrative techniques, or social context – the movie is a primary source.

If you use the movie for background information or analysis about your topic – for example, to learn about a historical event or a scientific discovery – the movie is a secondary source.

Whether it’s primary or secondary, always properly cite the movie in the citation style you are using. Learn how to create an MLA movie citation or an APA movie citation .

Articles in newspapers and magazines can be primary or secondary depending on the focus of your research.

In historical studies, old articles are used as primary sources that give direct evidence about the time period. In social and communication studies, articles are used as primary sources to analyse language and social relations (for example, by conducting content analysis or discourse analysis ).

If you are not analysing the article itself, but only using it for background information or facts about your topic, then the article is a secondary source.

Cite this Scribbr article

If you want to cite this source, you can copy and paste the citation or click the ‘Cite this Scribbr article’ button to automatically add the citation to our free Reference Generator.

Streefkerk, R. (2023, May 15). Primary vs. Secondary Sources | Difference & Examples. Scribbr. Retrieved 23 September 2024, from https://www.scribbr.co.uk/working-sources/primary-vs-secondary-sources/

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Library Research Guide for the History of Science: Introduction

• What is a Primary Source?
• Background and Context/Biography
• Exploring Your Topic
• Using HOLLIS
• What is a Secondary Source?

Page Contents

Knowing a primary source when you see one, kinds of primary sources, find primary sources in hollis, using digital libraries and collections online, using bibliographies.

• Exploring the Special Collections at Harvard
• Citing Sources & Organizing Research

Primary sources provide first-hand testimony or direct evidence concerning a topic under investigation. They are created by witnesses or recorders who experienced the events or conditions being documented.

Often these sources are created at the time when the events or conditions are occurring, but primary sources can also include autobiographies, memoirs, and oral histories recorded later.

Primary sources are characterized by their content, regardless of the format available. (Handwritten notes could be published; the published book might be digitized or put on microfilm, but those notes are still primary sources in any format).

Some types of primary sources:

• Original documents (excerpts or translations acceptable): Diaries, speeches, manuscripts, letters, interviews, news film footage, contemporary newspaper articles, autobiographies, official records, pamphlets, meeting notes, photographs, contemporary sketches
• Creative works : Poetry, drama, novels, music, art 
• Relics or artifacts : Furniture, clothing, buildings

Examples of primary sources include:

• A poster from the Brotherhood of Sleeping Car Porters' 1962 strike
• The papers of William James
• A 1970 U.S. State Dept document updating Nixon on U.S.-Soviet space cooperation activities (Harvard login)
• A British pamphlet: "Electric Lighting for Country Houses," 1898
• Phineas Gage's skull
• The text of J. Robert Oppenheimer's "Atomic Weapons" presentation to the American Philosophical Society

Outline of Primary Sources for History

Archives and Manuscripts

Archives and manuscripts are the unpublished records of persons (letters, notes, diaries, etc.) and organizations. What are Archives?   Usually each archival collection has a (short) catalog record and a detailed finding aid (which is often available online).

• "Catalog record” refers to the kind of record found in library online catalogs, similar to those for books, although often a bit longer. Example of an Archive record .
• “Finding aid” (sometimes called an inventory) generally refers to a list of the folder labels for the collection, accompanied by a brief collection overview (scope and contents note) and a biographical (or institutional) note on the creator of the collection.  Finding aids may be as long as needed given the size of the collection.  They vary considerably according to the practices of individual repositories. Example of a Finding aid .

To find  Archives and manuscripts  at Harvard, go to  HOLLIS Advanced search .  Search your keywords or Subject terms (see the  HOLLIS page of this guide ) in the Library Catalog, limiting to Resource Type: Archives/Manuscripts.  You can choose the library at the right (Search Scope).  Countway  Medicine has abundant medical archives, and Schlesinger has many archives of women activists, many in health and reproductive rights fields.    Sample search on Subject: Women health .

Library Research Guide for Finding Manuscripts and Archival Collections explains

• How to find archives and manuscripts at Harvard
• How to find archives and manuscripts elsewhere in US via search tools and via subject guides .
• How to find archives and manuscripts in Europe and elsewhere.
• Requesting digitization of archival material from Harvard and from other repositories .

For digitized archival material together with other kinds of primary sources:

• Finding Primary Sources Online offers general instructions for finding primary sources online and a list of resources by region and country
• Online Primary Source Collections for the History of Science lists digital collections at Harvard and beyond by topic.
• Online Primary Source Collections for History lists digital collections at Harvard and beyond by topic.

Methods for finding books are described under the HOLLIS page  of this guide and in the Finding Primary Sources in HOLLIS box on this page. 

• Book Reviews may give an indication as to how a scientific work was received. See:   Finding Book Reviews . 
• Numerous, especially pre-1923 books (as well as periodicals and other sources) can be found and full text searched in several digital libraries (see box on this page).

Periodicals

Scientific articles :

Web of Science Citation Indexes (Harvard Login)  (1900- ) articles in all areas of science. Includes medical articles not in PubMed. You can use the Cited Reference search in the Web of Science to find primary source articles that cite a specified article, thus getting an idea of its reception. More information on the Web of Science .

PubMed (1946- ) covers, usually with abstracts, periodical articles on all areas of medicine. - --Be sure to look at the MeSH (Medical Subject Headings)  at the bottom of pertinent records. Very recent articles may not as yet received their MeSH terms.  So look at older records to find the MeSH terms, and use a variety of keywords as well as MeSH terms to find the new records. --​The MeSH terms are the same as the Medical Subject terms found in HOLLIS. --Hit Free article or Try Harvard Library, not the publisher's name to see full text

JSTOR (Harvard Login)  offers full-text of complete runs (up to about 5 years ago) of over 400 journals. JSTOR allows simultaneous or individual searching, full-text searching optional, numerous journals in a variety of fields of science and medicine. See the list at the bottom of the Advanced search screen. JSTOR searches the "Notes and News" sections of journals ( Science is especially rich in this material). In Advanced Search choose Item Type: Miscellaneous to limit largely to "Notes and News".

PsycINFO) (Harvard Login)  (1872- ) indexes the professional and academic literature in psychology and related disciplines

Many more scientific periodical indexes are listed in the Library Research Guide for the History of Science .

General interest magazines and periodicals see:

American Periodicals Series Online (Harvard Login)  (1740-1900) offers full text of about 1100 American periodicals. Includes several scientific and medical journals including the American Journal of Science and the Medical Repository. In cases where a periodical started before 1900, coverage is included until 1940.

British Periodicals (Harvard Login)  (1681-1920) offers full text for several hundred British periodicals.

Ethnic NewsWatch (Harvard Login)  (1959- ) is a full text database of the newspapers, magazines, and journals of the ethnic, minority and native press.

Periodicals Index Online (Harvard Login)  indexes contents of thousands of US and European journals in the humanities and social sciences, from their first issues to 1995.

Reader's Guide Retrospective (WilsonWeb) (Harvard Login)  (1890-1982)  indexes many American popular periodicals.

Many more general periodical indexes are listed in Finding Articles in General and Popular Periodicals (North America and Western Europe) .

Articles in non-science fields (religion, public policy): see the list in the Library Research Guide for History .

Professional/Trade : Aimed at particular trades or professions.  See the Library Research Guide for History

Newspaper articles : see the Guide to Newspapers and Newspaper Indexes .

Personal accounts . These are first person narratives recalling or describing a person’s life and opinions. These include Diaries, memoirs, autobiographies, and when delivered orally and recorded: Oral histories and Interviews.

National Library of Medicine Oral Histories

Regulatory Oral History Hub  (Kenan Institute for Ethics, Duke University) offers links to digital collections containing interviews with regulators, lawyers, and judges. Mainly U.S.

Visual sources :

Records for many, but by no means all, individual Harvard University Library images are available in  HOLLIS Images , an online catalog of images. Records include subjects and a thumbnail image.  HOLLIS Images is included in HOLLIS  searches.

Science & Society Picture Library offers over 50,000 images from the Science Museum (London), the National Museum of Photography, Film & Television and the National Railway Museum.

Database of Scientific Illustrators  (DSI) includes over 12500 illustrators in natural history, medicine, technology and various sciences worldwide, c.1450-1950. Living illustrators excluded. 

NYPL Digital Gallery Pictures of Science: 700 Years of Scientific and Medical Illustration

Images from the History of Medicine (IHM) includes prints and photographs from the U.S. National Library of Medicine. (The IHM is contained within a larger NLM image database, so this link goes to a specialized search).

Images From the History of the Public Health Service: a Photographic Exhibit .

Wellcome Images

Films/Videos

To find films in  HOLLIS , search your topic keywords, then on the right side of the results screen, look at Resource Type and choose video/film.

To find books about films about your topic, search your topic keywords AND "in motion pictures" ​  (in "")

​Film Platform  offers numerous documentary films on a wide variety of subjects.  There are collections on several topics. Searches can be filtered by topic, country of production, and language. 

A list of general sources for images and film is available in the Library Research Guide for History and additional sources for the history of science in Library Research Guide for the History of Science .

Government documents often concern matters of science and health policy.  For Congressional documents, especially committee reports, see ProQuest Congressional (Harvard Login ). 

HathiTrust Digital Library . Each full text item is linked to a standard library catalog record, thus providing good metadata and subject terms. The catalog can be searched separately.  Many government documents are full text viewable.  Search US government department as Author.

More sources are listed in the Library Research Guide for History

For artifacts and other objects , the Historic Scientific Instruments Collection in the Science Center includes over 15,000 instruments, often with contemporary documentation, from 1450 through the 20th century worldwide.

Waywiser, online database of the Collection of Historical Scientific Instruments .

Warren Anatomical Museum of the Center for the History of Medicine in the Countway Library of Medicine has a rich collection of medical artifacts and specimens.

Peabody Museum of Archaeology and Ethnology

Fall 2020: these collections are closed during the pandemic. Check out their links above to see what they have available online.

Primary Source Terms :

You can limit HOLLIS  searches to your time period, but sources may be published later, such as a person's diary published posthumously. Find these with these special Subject terms.

You can use the following terms to search HOLLIS for primary sources:

• Correspondence
• Description and travel
• Manuscripts
• Notebooks, sketchbooks, etc.
• Personal narratives (refers to accounts of wars and diseases only)
• Pictorial works
• Sources (usually refers to collections of published primary sources)

Include these terms with your topical words in HOLLIS searches. For example: tuberculosis personal narratives

Online Primary Source Collections for the History of Science lists digital collections at Harvard and beyond by topic

Google Book Search, HathiTrust Digital Library and Internet Archives offer books and periodicals digitized from numerous libraries.  Only out-of-copyright, generally post-1923, books are fully viewable.  Each of these three digital libraries allows searching full text over their entire collections.

Google Book Search

HathiTrust Digital Library is a vast digital library of books an dperiodicals. Full text searchs can be limited by standard Subjetc term (as usd in HOOLIS) or by aiuthor or til=tle (useful for periodicals).  Many post-1925 out-of-copyright books, especially government documents, are full text viewable. You can search within copyright books to see what page your search term is on.

Internet Archive also offers a full text search which also can be limited by author, title, subject. For instructions see:  Details on searching HathiTrust and Internet Archive.

The Internet: Archive includes the Medical Heritage Library . Information about the Medical Heritage Library. Searchable full text. Includes:

• US Navy Bureau of Medicine and Surgery Office of Medical History Collection
• State Medical Society Journals    ----  A guide to digitized state medical society journals in the Medical Heritage Library
• Annual reports and other publications of the National Institutes of Health
• UK Medical Heritage Library

Biodiversity Heritage Library

The Online Books Page arranges electronic texts by Library of Congress call numbers and is searchable (but not full text searchable).  Includes books not in Google Books, HathiTrust, or Internet Archive. Has many other useful features.

Contagion: Historical Views of Diseases and Epidemics (1493-1922) provides digitized historical, manuscript, and image resources selected from Harvard University libraries and archives.

Expeditions and Discoveries (1626-1953) features nine expeditions in anthropology and archaeology, astronomy, botany, and oceanography in which Harvard University played a significant role. Includes manuscripts and records, published materials, visual works, and maps from 14 Harvard repositories.

Defining Gender Online: Five Centuries of Advice Literature for Men and Women (1450-1910).

Twentieth Century Advice Literature: North American Guides on Race, Sex, Gender, and the Family.

Finding Primary Sources Online  offers methods for finding digital libraries and digital collections on the open Web   and for finding Digital Libraries/Collections by Region or Language .

Many more general History digital libraries and collections: Library Research Guide for History

More History of Science digital libraries: Library Research Guide for the History of Science .

There may already be a detailed list of sources (a bibliography) for your topic.

For instance:

A bibliography of eugenics , by Samuel J. Holmes ... Berkeley, Calif., University of California press, 1924, 514 p. ( University of California publications in zoology . vol. XXV)  Full text online .

Look for specialized subject bibliographies in HOLLIS Catalog . Example .   WorldCat can do similar searches in the Subject Keyword field for non-Harvard holdings.

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Harvard University Digital Accessibility Policy

University Library

Distinguish between primary and secondary sources.

• Further Information

Introduction

1. Introduction

Whether conducting research in the social sciences, humanities (especially history), arts, or natural sciences, the ability to distinguish between primary and secondary source material is essential. Basically, this distinction illustrates the degree to which the author of a piece is removed from the actual event being described, informing the reader as to whether the author is reporting impressions first hand (or is first to record these immediately following an event), or conveying the experiences and opinions of others—that is, second hand .  

2. Primary sources

These are contemporary accounts of an event, written by someone who experienced or witnessed the event in question. These original documents (i.e., they are not about another document or account) are often diaries, letters, memoirs, journals, speeches, manuscripts, interviews and other such unpublished works. They may also include published pieces such as newspaper or magazine articles (as long as they are written soon after the fact and not as historical accounts), photographs, audio or video recordings, research reports in the natural or social sciences, or original literary or theatrical works.  

3. Secondary sources

The function of these is to interpret primary sources , and so can be described as at least one step removed from the event or phenomenon under review. Secondary source materials, then, interpret, assign value to, conjecture upon, and draw conclusions about the events reported in primary sources. These are usually in the form of published works such as journal articles or books, but may include radio or television documentaries, or conference proceedings.  

4. Defining questions

When evaluating primary or secondary sources, the following questions might be asked to help ascertain the nature and value of material being considered:

• How does the author know these details (names, dates, times)? Was the author present at the event or soon on the scene?
• Where does this information come from—personal experience, eyewitness accounts, or reports written by others?
• Are the author's conclusions based on a single piece of evidence, or have many sources been taken into account (e.g., diary entries, along with third-party eyewitness accounts, impressions of contemporaries, newspaper accounts)?

Ultimately, all source materials of whatever type must be assessed critically and even the most scrupulous and thorough work is viewed through the eyes of the writer/interpreter. This must be taken into account when one is attempting to arrive at the 'truth' of an event.

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Land Acknowledgement

The land on which we gather is the unceded territory of the Awaswas-speaking Uypi Tribe. The Amah Mutsun Tribal Band, comprised of the descendants of indigenous people taken to missions Santa Cruz and San Juan Bautista during Spanish colonization of the Central Coast, is today working hard to restore traditional stewardship practices on these lands and heal from historical trauma.

The land acknowledgement used at UC Santa Cruz was developed in partnership with the Amah Mutsun Tribal Band Chairman and the Amah Mutsun Relearning Program at the UCSC Arboretum .

Primary Source Research

• Primary Source Databases: Subcollections Lists
• Search Strategies

Analyzing Primary Sources

Teaching resources.

• Citing Primary Sources
• Primary Sources by Subject
• Rowan University Archives & Special Collections

When you analyze a primary source, you are undertaking the most important job of the historian. There is no better way to understand past events than by examining the sources that people from that period left behind (e.g., whether journals, newspaper articles, letters, court case records, novels, artworks, music or autobiographies).

Each historian, including you, will approach a source with a different set of experiences and skills, and will therefore interpret the document differently. While there is no one right interpretation, interpretations should still be supported by evidence and analysis. If you do not do a careful and thorough analysis, you might arrive at a wrong interpretation.

In order to analyze a primary source you need information about two things: the document itself and the era from which it comes. You can base your knowledge on class materials and other credible sources. You'll also need to analyze the document itself. The following questions may be helpful for your analysis of the document as an artifact and as a source of historical evidence.

Initial Analysis

• What is the physical nature of your source? This is particularly important if you are dealing with an original source (i.e., an actual old letter, rather than a transcribed and published version of the same letter). What can you learn from the form of the source? (Was it written on fancy paper in elegant handwriting, written on scrap-paper, scribbled in pencil?) What does this tell you?
• What is the source's purpose? What was the author's message or argument? What were they  trying to get across? Is the message explicit? Are there implicit messages as well?
• How does the author try to convey their message? What methods do they use?
• What do you know about the author? This might include, for example, race, ethnicity, sex, class, occupation, religion, age, region, or political beliefs? Does any of this matter? How?
• Who was or is the intended audience? Was this source meant for one person's eyes, or for the public? How does that affect the source?
• What can a careful reading of the text/artifact tell you? How do language and word choice work? Are important metaphors or symbols used? What about the silences--what does the author choose NOT to talk about?

Evaluating the Source as Historical Evidence

You'll also want to evaluate how credible the source is and what it tells you about the given historical moment.

• Is it prescriptive--telling you what people thought should happen--or descriptive--telling you what people thought did happen?
• Does it describe ideology and/or behavior?
• Does it tell you about the beliefs/actions of the elite, or of "ordinary" people? From whose perspective?
• What historical questions can you answer using this source? What are the benefits of using this kind of source?
• What questions can this source NOT help you answer? What are the limitations of this type of source?
• If we have read other historians' interpretations of this source or sources like this one, how does your analysis fit with theirs? In your opinion, does this source support or challenge their argument?

Remember, you cannot address each and every one of these questions in your presentation or in your paper, and I wouldn't want you to. You need to be selective.

Credit: Thank you to Carleton College's History Department for permission to adapt their resource " How to Analyze a Primary Source ." (Minor additions or changes made to the original text). Original text created by Molly Ladd-Taylor, Annette Igra, Rachel Seidman, and others.

• Document Analysis Worksheets (National Archives) Worksheets for analyzing various types of primary sources. Apply 4 key principles: "1. Meet the document. 2. Observe its parts. 3. Try to make sense of it. 4. Use it as historical evidence."
• Making Sense of Evidence (History Matters) Strategies for analyzing various types of online primary sources (oral histories, films, maps, etc.).
• Teacher's Guide: Analyzing Primary Sources (PDF) (Library of Congress) Applies three key steps to analyzing primary sources (observe, reflect, question). Includes sample question prompts.
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• Next: Citing Primary Sources >>
• Last Updated: Aug 2, 2024 10:43 AM
• URL: https://libguides.rowan.edu/primarysourceresearch

Explore millions of high-quality primary sources and images from around the world, including artworks, maps, photographs, and more.

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Enhance your scholarly research with underground newspapers, magazines, and journals.

Explore collections in the arts, sciences, and literature from the world’s leading museums, archives, and scholars.

Frequently asked questions

What are some examples of primary sources.

Common examples of primary sources include interview transcripts , photographs, novels, paintings, films, historical documents, and official statistics.

Anything you directly analyze or use as first-hand evidence can be a primary source, including qualitative or quantitative data that you collected yourself.

Frequently asked questions: Citing sources

A scientific citation style is a system of source citation that is used in scientific disciplines. Some commonly used scientific citation styles are:

• Chicago author-date , CSE , and Harvard , used across various sciences
• ACS , used in chemistry
• AMA , NLM , and Vancouver , used in medicine and related disciplines
• AAA , APA , and ASA , commonly used in the social sciences

There are many different citation styles used across different academic disciplines, but they fall into three basic approaches to citation:

• Parenthetical citations : Including identifying details of the source in parentheses —usually the author’s last name and the publication date, plus a page number if available ( author-date ). The publication date is occasionally omitted ( author-page ).
• Numerical citations: Including a number in brackets or superscript, corresponding to an entry in your numbered reference list.
• Note citations: Including a full citation in a footnote or endnote , which is indicated in the text with a superscript number or symbol.

A source annotation in an annotated bibliography fulfills a similar purpose to an abstract : they’re both intended to summarize the approach and key points of a source.

However, an annotation may also evaluate the source , discussing the validity and effectiveness of its arguments. Even if your annotation is purely descriptive , you may have a different perspective on the source from the author and highlight different key points.

You should never just copy text from the abstract for your annotation, as doing so constitutes plagiarism .

Most academics agree that you shouldn’t cite Wikipedia as a source in your academic writing , and universities often have rules against doing so.

This is partly because of concerns about its reliability, and partly because it’s a tertiary source. Tertiary sources are things like encyclopedias and databases that collect information from other sources rather than presenting their own evidence or analysis. Usually, only primary and secondary sources are cited in academic papers.

A Wikipedia citation usually includes the title of the article, “Wikipedia” and/or “Wikimedia Foundation,” the date the article was last updated, and the URL.

In APA Style , you’ll give the URL of the current revision of the article so that you’re sure the reader accesses the same version as you.

There’s some disagreement about whether Wikipedia can be considered a reliable source . Because it can be edited by anyone, many people argue that it’s easy for misleading information to be added to an article without the reader knowing.

Others argue that because Wikipedia articles cite their sources , and because they are worked on by so many editors, misinformation is generally removed quickly.

However, most universities state that you shouldn’t cite Wikipedia in your writing.

Hanging indents are used in reference lists in various citation styles to allow the reader to easily distinguish between entries.

You should apply a hanging indent to your reference entries in APA , MLA , and Chicago style.

A hanging indent is used to indent all lines of a paragraph except the first.

When you create a hanging indent, the first line of the paragraph starts at the border. Each subsequent line is indented 0.5 inches (1.27 cm).

APA and MLA style both use parenthetical in-text citations to cite sources and include a full list of references at the end, but they differ in other ways:

• APA in-text citations include the author name, date, and page number (Taylor, 2018, p. 23), while MLA in-text citations include only the author name and page number (Taylor 23).
• The APA reference list is titled “References,” while MLA’s version is called “ Works Cited .”
• The reference entries differ in terms of formatting and order of information.
• APA requires a title page , while MLA requires a header instead.

A parenthetical citation in Chicago author-date style includes the author’s last name, the publication date, and, if applicable, the relevant page number or page range in parentheses . Include a comma after the year, but not after the author’s name.

For example: (Swan 2003, 6)

To automatically generate accurate Chicago references, you can use Scribbr’s free Chicago reference generator .

APA Style distinguishes between parenthetical and narrative citations.

In parenthetical citations , you include all relevant source information in parentheses at the end of the sentence or clause: “Parts of the human body reflect the principles of tensegrity (Levin, 2002).”

In narrative citations , you include the author’s name in the text itself, followed by the publication date in parentheses: “Levin (2002) argues that parts of the human body reflect the principles of tensegrity.”

In a parenthetical citation in MLA style , include the author’s last name and the relevant page number or range in parentheses .

For example: (Eliot 21)

A parenthetical citation gives credit in parentheses to a source that you’re quoting or paraphrasing . It provides relevant information such as the author’s name, the publication date, and the page number(s) cited.

How you use parenthetical citations will depend on your chosen citation style . It will also depend on the type of source you are citing and the number of authors.

APA does not permit the use of ibid. This is because APA in-text citations are parenthetical and there’s no need to shorten them further.

Ibid. may be used in Chicago footnotes or endnotes .

Write “Ibid.” alone when you are citing the same page number and source as the previous citation.

When you are citing the same source, but a different page number, use ibid. followed by a comma and the relevant page number(s). For example:

• Ibid., 40–42.

Only use ibid . if you are directing the reader to a previous full citation of a source .

Ibid. only refers to the previous citation. Therefore, you should only use ibid. directly after a citation that you want to repeat.

Ibid. is an abbreviation of the Latin “ibidem,” meaning “in the same place.” Ibid. is used in citations to direct the reader to the previous source.

Signal phrases can be used in various ways and can be placed at the beginning, middle, or end of a sentence.

To use signal phrases effectively, include:

• The name of the scholar(s) or study you’re referencing
• An attributive tag such as “according to” or “argues that”
• The quote or idea you want to include

Different citation styles require you to use specific verb tenses when using signal phrases.

• APA Style requires you to use the past or present perfect tense when using signal phrases.
• MLA and Chicago requires you to use the present tense when using signal phrases.

Signal phrases allow you to give credit for an idea or quote to its author or originator. This helps you to:

• Establish the credentials of your sources
• Display your depth of reading and understanding of the field
• Position your own work in relation to other scholars
• Avoid plagiarism

A signal phrase is a group of words that ascribes a quote or idea to an outside source.

Signal phrases distinguish the cited idea or argument from your own writing and introduce important information including the source of the material that you are quoting , paraphrasing , or summarizing . For example:

“ Cognitive psychologist Steven Pinker (1994) insists that humans possess an innate faculty for comprehending grammar.”

If you’re quoting from a text that paraphrases or summarizes other sources and cites them in parentheses , APA and Chicago both recommend retaining the citations as part of the quote. However, MLA recommends omitting citations within a quote:

• APA: Smith states that “the literature on this topic (Jones, 2015; Sill, 2019; Paulson, 2020) shows no clear consensus” (Smith, 2019, p. 4).
• MLA: Smith states that “the literature on this topic shows no clear consensus” (Smith, 2019, p. 4).

Footnote or endnote numbers that appear within quoted text should be omitted in all styles.

If you want to cite an indirect source (one you’ve only seen quoted in another source), either locate the original source or use the phrase “as cited in” in your citation.

In scientific subjects, the information itself is more important than how it was expressed, so quoting should generally be kept to a minimum. In the arts and humanities, however, well-chosen quotes are often essential to a good paper.

In social sciences, it varies. If your research is mainly quantitative , you won’t include many quotes, but if it’s more qualitative , you may need to quote from the data you collected .

As a general guideline, quotes should take up no more than 5–10% of your paper. If in doubt, check with your instructor or supervisor how much quoting is appropriate in your field.

To present information from other sources in academic writing , it’s best to paraphrase in most cases. This shows that you’ve understood the ideas you’re discussing and incorporates them into your text smoothly.

It’s appropriate to quote when:

• Changing the phrasing would distort the meaning of the original text
• You want to discuss the author’s language choices (e.g., in literary analysis )
• You’re presenting a precise definition
• You’re looking in depth at a specific claim

To paraphrase effectively, don’t just take the original sentence and swap out some of the words for synonyms. Instead, try:

• Reformulating the sentence (e.g., change active to passive , or start from a different point)
• Combining information from multiple sentences into one
• Leaving out information from the original that isn’t relevant to your point
• Using synonyms where they don’t distort the meaning

The main point is to ensure you don’t just copy the structure of the original text, but instead reformulate the idea in your own words.

“ Et al. ” is an abbreviation of the Latin term “et alia,” which means “and others.” It’s used in source citations to save space when there are too many authors to name them all.

Guidelines for using “et al.” differ depending on the citation style you’re following:

To insert endnotes in Microsoft Word, follow the steps below:

• Click on the spot in the text where you want the endnote to show up.
• In the “References” tab at the top, select “Insert Endnote.”
• Type whatever text you want into the endnote.

If you need to change the type of notes used in a Word document from footnotes to endnotes , or the other way around, follow these steps:

• Open the “References” tab, and click the arrow in the bottom-right corner of the “Footnotes” section.
• In the pop-up window, click on “Convert…”
• Choose the option you need, and click “OK.”

To insert a footnote automatically in a Word document:

• Click on the point in the text where the footnote should appear
• Select the “References” tab at the top and then click on “Insert Footnote”
• Type the text you want into the footnote that appears at the bottom of the page

Footnotes are notes indicated in your text with numbers and placed at the bottom of the page. They’re used to provide:

• Citations (e.g., in Chicago notes and bibliography )
• Additional information that would disrupt the flow of the main text

Be sparing in your use of footnotes (other than citation footnotes), and consider whether the information you’re adding is relevant for the reader.

Footnotes appear at the bottom of the page they refer to. This is convenient for the reader but may cause your text to look cluttered if there are a lot of footnotes.

Endnotes appear all together at the end of the whole text. This may be less convenient for the reader but reduces clutter.

Both footnotes and endnotes are used in the same way: to cite sources or add extra information. You should usually choose one or the other to use in your text, not both.

An in-text citation is an acknowledgement you include in your text whenever you quote or paraphrase a source. It usually gives the author’s last name, the year of publication, and the page number of the relevant text. In-text citations allow the reader to look up the full source information in your reference list and see your sources for themselves.

If you are reusing content or data you used in a previous assignment, make sure to cite yourself. You can cite yourself just as you would cite any other source: simply follow the directions for that source type in the citation style you are using.

Keep in mind that reusing your previous work can be considered self-plagiarism , so make sure you ask your professor or consult your university’s handbook before doing so.

A credible source should pass the CRAAP test  and follow these guidelines:

• The information should be up to date and current.
• The author and publication should be a trusted authority on the subject you are researching.
• The sources the author cited should be easy to find, clear, and unbiased.
• For a web source, the URL and layout should signify that it is trustworthy.

Peer review is a process of evaluating submissions to an academic journal. Utilizing rigorous criteria, a panel of reviewers in the same subject area decide whether to accept each submission for publication. For this reason, academic journals are often considered among the most credible sources you can use in a research project– provided that the journal itself is trustworthy and well-regarded.

Academic dishonesty can be intentional or unintentional, ranging from something as simple as claiming to have read something you didn’t to copying your neighbor’s answers on an exam.

You can commit academic dishonesty with the best of intentions, such as helping a friend cheat on a paper. Severe academic dishonesty can include buying a pre-written essay or the answers to a multiple-choice test, or falsifying a medical emergency to avoid taking a final exam.

Academic dishonesty refers to deceitful or misleading behavior in an academic setting. Academic dishonesty can occur intentionally or unintentionally, and varies in severity.

It can encompass paying for a pre-written essay, cheating on an exam, or committing plagiarism . It can also include helping others cheat, copying a friend’s homework answers, or even pretending to be sick to miss an exam.

Academic dishonesty doesn’t just occur in a classroom setting, but also in research and other academic-adjacent fields.

To apply a hanging indent to your reference list or Works Cited list in Word or Google Docs, follow the steps below.

Microsoft Word:

• Highlight the whole list and right click to open the Paragraph options.
• Under Indentation > Special , choose Hanging from the dropdown menu.
• Set the indent to 0.5 inches or 1.27cm.

Google Docs:

• Highlight the whole list and click on Format >  Align and indent >  Indentation options .
• Under  Special indent , choose Hanging from the dropdown menu.

When the hanging indent is applied, for each reference, every line except the first is indented. This helps the reader see where one entry ends and the next begins.

For a published interview (whether in video , audio, or print form ), you should always include a citation , just as you would for any other source.

For an interview you conducted yourself , formally or informally, you often don’t need a citation and can just refer to it in the text or in a footnote , since the reader won’t be able to look them up anyway. MLA , however, still recommends including citations for your own interviews.

The main elements included in a newspaper interview citation across APA , MLA , and Chicago style are the names of the interviewer and interviewee, the interview title, the publication date, the name of the newspaper, and a URL (for online sources).

The information is presented differently in different citation styles. One key difference is that APA advises listing the interviewer in the author position, while MLA and Chicago advise listing the interviewee first.

The elements included in a newspaper article citation across APA , MLA , and Chicago style are the author name, the article title, the publication date, the newspaper name, and the URL if the article was accessed online .

In APA and MLA, the page numbers of the article appear in place of the URL if the article was accessed in print. No page numbers are used in Chicago newspaper citations.

Untitled sources (e.g. some images ) are usually cited using a short descriptive text in place of the title. In APA Style , this description appears in brackets: [Chair of stained oak]. In MLA and Chicago styles, no brackets are used: Chair of stained oak.

For social media posts, which are usually untitled, quote the initial words of the post in place of the title: the first 160 characters in Chicago , or the first 20 words in APA . E.g. Biden, J. [@JoeBiden]. “The American Rescue Plan means a $7,000 check for a single mom of four. It means more support to safely.”

MLA recommends quoting the full post for something short like a tweet, and just describing the post if it’s longer.

The main elements included in image citations across APA , MLA , and Chicago style are the name of the image’s creator, the image title, the year (or more precise date) of publication, and details of the container in which the image was found (e.g. a museum, book , website ).

In APA and Chicago style, it’s standard to also include a description of the image’s format (e.g. “Photograph” or “Oil on canvas”). This sort of information may be included in MLA too, but is not mandatory.

The main elements included in a lecture citation across APA , MLA , and Chicago style are the name of the speaker, the lecture title, the date it took place, the course or event it was part of, and the institution it took place at.

For transcripts or recordings of lectures/speeches, other details like the URL, the name of the book or website , and the length of the recording may be included instead of information about the event and institution.

The main elements included in a YouTube video citation across APA , MLA , and Chicago style are the name of the author/uploader, the title of the video, the publication date, and the URL.

The format in which this information appears is different for each style.

All styles also recommend using timestamps as a locator in the in-text citation or Chicago footnote .

Each annotation in an annotated bibliography is usually between 50 and 200 words long. Longer annotations may be divided into paragraphs .

The content of the annotation varies according to your assignment. An annotation can be descriptive, meaning it just describes the source objectively; evaluative, meaning it assesses its usefulness; or reflective, meaning it explains how the source will be used in your own research .

Any credible sources on your topic can be included in an annotated bibliography . The exact sources you cover will vary depending on the assignment, but you should usually focus on collecting journal articles and scholarly books . When in doubt, utilize the CRAAP test !

An annotated bibliography is an assignment where you collect sources on a specific topic and write an annotation for each source. An annotation is a short text that describes and sometimes evaluates the source.

The elements included in journal article citations across APA , MLA , and Chicago style are the name(s) of the author(s), the title of the article, the year of publication, the name of the journal, the volume and issue numbers, the page range of the article, and, when accessed online, the DOI or URL.

In MLA and Chicago style, you also include the specific month or season of publication alongside the year, when this information is available.

In APA , MLA , and Chicago style citations for sources that don’t list a specific author (e.g. many websites ), you can usually list the organization responsible for the source as the author.

If the organization is the same as the website or publisher, you shouldn’t repeat it twice in your reference:

• In APA and Chicago, omit the website or publisher name later in the reference.
• In MLA, omit the author element at the start of the reference, and cite the source title instead.

If there’s no appropriate organization to list as author, you will usually have to begin the citation and reference entry with the title of the source instead.

The main elements included in website citations across APA , MLA , and Chicago style are the author, the date of publication, the page title, the website name, and the URL. The information is presented differently in each style.

When you want to cite a specific passage in a source without page numbers (e.g. an e-book or website ), all the main citation styles recommend using an alternate locator in your in-text citation . You might use a heading or chapter number, e.g. (Smith, 2016, ch. 1)

In APA Style , you can count the paragraph numbers in a text to identify a location by paragraph number. MLA and Chicago recommend that you only use paragraph numbers if they’re explicitly marked in the text.

For audiovisual sources (e.g. videos ), all styles recommend using a timestamp to show a specific point in the video when relevant.

The abbreviation “ et al. ” (Latin for “and others”) is used to shorten citations of sources with multiple authors.

“Et al.” is used in APA in-text citations of sources with 3+ authors, e.g. (Smith et al., 2019). It is not used in APA reference entries .

Use “et al.” for 3+ authors in MLA in-text citations and Works Cited entries.

Use “et al.” for 4+ authors in a Chicago in-text citation , and for 10+ authors in a Chicago bibliography entry.

Check if your university or course guidelines specify which citation style to use. If the choice is left up to you, consider which style is most commonly used in your field.

• APA Style is the most popular citation style, widely used in the social and behavioral sciences.
• MLA style is the second most popular, used mainly in the humanities.
• Chicago notes and bibliography style is also popular in the humanities, especially history.
• Chicago author-date style tends to be used in the sciences.

Other more specialized styles exist for certain fields, such as Bluebook and OSCOLA for law.

The most important thing is to choose one style and use it consistently throughout your text.

The main elements included in all book citations across APA , MLA , and Chicago style are the author, the title, the year of publication, and the name of the publisher. A page number is also included in in-text citations to highlight the specific passage cited.

In Chicago style and in the 6th edition of APA Style , the location of the publisher is also included, e.g. London: Penguin.

A block quote is a long quote formatted as a separate “block” of text. Instead of using quotation marks , you place the quote on a new line, and indent the entire quote to mark it apart from your own words.

The rules for when to apply block quote formatting depend on the citation style:

• APA block quotes are 40 words or longer.
• MLA block quotes are more than 4 lines of prose or 3 lines of poetry.
• Chicago block quotes are longer than 100 words.

In academic writing , there are three main situations where quoting is the best choice:

• To analyze the author’s language (e.g., in a literary analysis essay )
• To give evidence from primary sources
• To accurately present a precise definition or argument

Don’t overuse quotes; your own voice should be dominant. If you just want to provide information from a source, it’s usually better to paraphrase or summarize .

Every time you quote a source , you must include a correctly formatted in-text citation . This looks slightly different depending on the citation style .

For example, a direct quote in APA is cited like this: “This is a quote” (Streefkerk, 2020, p. 5).

Every in-text citation should also correspond to a full reference at the end of your paper.

A quote is an exact copy of someone else’s words, usually enclosed in quotation marks and credited to the original author or speaker.

The DOI is usually clearly visible when you open a journal article on an academic database. It is often listed near the publication date, and includes “doi.org” or “DOI:”. If the database has a “cite this article” button, this should also produce a citation with the DOI included.

If you can’t find the DOI, you can search on Crossref using information like the author, the article title, and the journal name.

A DOI is a unique identifier for a digital document. DOIs are important in academic citation because they are more permanent than URLs, ensuring that your reader can reliably locate the source.

Journal articles and ebooks can often be found on multiple different websites and databases. The URL of the page where an article is hosted can be changed or removed over time, but a DOI is linked to the specific document and never changes.

When a book’s chapters are written by different authors, you should cite the specific chapter you are referring to.

When all the chapters are written by the same author (or group of authors), you should usually cite the entire book, but some styles include exceptions to this.

• In APA Style , single-author books should always be cited as a whole, even if you only quote or paraphrase from one chapter.
• In MLA Style , if a single-author book is a collection of stand-alone works (e.g. short stories ), you should cite the individual work.
• In Chicago Style , you may choose to cite a single chapter of a single-author book if you feel it is more appropriate than citing the whole book.

Articles in newspapers and magazines can be primary or secondary depending on the focus of your research.

In historical studies, old articles are used as primary sources that give direct evidence about the time period. In social and communication studies, articles are used as primary sources to analyze language and social relations (for example, by conducting content analysis or discourse analysis ).

If you are not analyzing the article itself, but only using it for background information or facts about your topic, then the article is a secondary source.

A fictional movie is usually a primary source. A documentary can be either primary or secondary depending on the context.

If you are directly analyzing some aspect of the movie itself – for example, the cinematography, narrative techniques, or social context – the movie is a primary source.

If you use the movie for background information or analysis about your topic – for example, to learn about a historical event or a scientific discovery – the movie is a secondary source.

Whether it’s primary or secondary, always properly cite the movie in the citation style you are using. Learn how to create an MLA movie citation or an APA movie citation .

To determine if a source is primary or secondary, ask yourself:

• Was the source created by someone directly involved in the events you’re studying (primary), or by another researcher (secondary)?
• Does the source provide original information (primary), or does it summarize information from other sources (secondary)?
• Are you directly analyzing the source itself (primary), or only using it for background information (secondary)?

Some types of source are nearly always primary: works of art and literature, raw statistical data, official documents and records, and personal communications (e.g. letters, interviews ). If you use one of these in your research, it is probably a primary source.

Primary sources are often considered the most credible in terms of providing evidence for your argument, as they give you direct evidence of what you are researching. However, it’s up to you to ensure the information they provide is reliable and accurate.

Always make sure to properly cite your sources to avoid plagiarism .

Common examples of secondary sources include academic books, journal articles , reviews, essays , and textbooks.

Anything that summarizes, evaluates or interprets primary sources can be a secondary source. If a source gives you an overview of background information or presents another researcher’s ideas on your topic, it is probably a secondary source.

The Scribbr Citation Generator is developed using the open-source Citation Style Language (CSL) project and Frank Bennett’s citeproc-js . It’s the same technology used by dozens of other popular citation tools, including Mendeley and Zotero.

You can find all the citation styles and locales used in the Scribbr Citation Generator in our publicly accessible repository on Github .

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Department of History

Primary source essay.

This 3000-word source-based essay focuses on one primary source to shed light on material evaluation in the Enlightenment. To achieve this, the essay will also draw on other primary and secondary sources.

The essay will be marked using the usual history-specific marking criteria for written work . That said, a primary-source essay is a particular type of essay that calls for specific tasks that are not relevant to all other essays.

Like any other essay, this one needs to be an argument--it needs to state a thesis and make a case for that thesis. Unlike other essays, the argument of this essay will centre on a primary source. More details on the task are below.

The thesis. This needs to be related to the theme of the module, namely material evaluation in the Enlightenment. Beyond that, you are free to choose a topic as a function of your own knowledge and interests. It may help to consider some of the theses we have encountered in the secondary readings, such as Emma Spary's thesis that botanical expertise replaced scholarly expertise as the main way of evaluating coffee in France around 1700; or William Ashworth's thesis that the hydrometer was part of the political struggle between producers and the state in eighteenth-century Britain. Your thesis will probably be less ambitious than these, given the constraints of the assignment. But you may find these theses (by Spary, Ashworth, and the other historians we have read) a useful model to follow. The note under 'Contextualise' below may also be useful.

The primary source. This may be any primary source related to material evaluation in the Enlightenment. The one limitation is that it cannot be one of the primary sources we have discussed in detail in seminars, such as Robert Boyle's 1675 article on gold assaying in the Phil. Trans ., or Henry Drax's instructions on the management of a Barbadian sugar plantation. More precisely, you cannot choose the passages from these sources that we discussed in detail in class. For example, you may choose the sections on beer in Leadbetter's Royal Gauger , but not the sections on the distillery. The source may be a written document, but it may also be an object, diagram, painting, or any other historical artefact that sheds light on the past.

Finding a primary source . One way to find the source is through a relevant secondary source. If you are interested in connoisseurship in the fine arts, for example, you might look through the Warwick library catalogue for books on this topic related to the eighteenth century. You might then find, for example, Carol Gibson-Wood's book Jonathan Richardson: Art Theorist of the English Enlightenment , which in turn discusses many relevant primary sources. Another approach is to start with the primary sources themselves by searching through collections of relevant sources. Examples are:

The online archive of the Philosophical Transactions of the Royal Society of London

Early English Books Online , a database of early modern English texts

The online archive of the English East India Company

Eighteenth-century encyclopaedias, such as Chambers' Cyclopaedia , the fourth edition of which has been digitised

The catalogues of public museums, such as the Oxford Museum for the History of Science and the British Museum

Virtual exhibitions, such as the Intoxicating Spaces exhibition or the Sugar and the Visual Imagination exhibition

Analysing the primary source. Analysing primary sources is more an art than a science, and there are no hard-and-fast rules about how to do it. However, for the purpose of this essay you should do at least the following:

Interpret. Decipher the source so that it can be understood by a non-specialist audience. This may mean explaining technical terms, rephrasing complicated sentences, identifying rhetorical devices or figures of speech, or (for long texts) summarising the argument or narrative.

Explain. Get behind the source to understand its conditions of production. Who was the author? Who was the intended audience? Why, when, how, and where was the source made? Which genre does it belong to (encyclopaedia article, scientific article, merchant correspondence...) and how does it fit into the history of that genre?

Contextualise. Relate the source to wider historical developments of the kind that we have covered in the module, such as the the growth of the fiscal-military state, the growth of a consumer culture, and the outbreak of the French Revolution.

The essay could be structured around these three tasks, with one section on each - but it does not need to be. The important thing is to do these three things as part of your research, and to integrate them into your argument.

Other sources. Although the essay should be centred on one primary source, it does not need to be limited to that source. Indeed, you will need to draw on other primary and secondary sources to make sense of the primary source that you focus on. The expectation is that you will draw on five (or more) secondary sources and one (or more) additional primary sources. The secondary sources can be made of books, book chapters, journal articles, or chapters in edited collections.

Meeting with tutor. All students are strongly encouraged to meet the tutor (during office hours ) to discuss their choice of primary source. This meeting can take place any time in term 2 before the essay deadline, but should be around the time you decide upon that source.

How to Analyze a Primary Source

When you analyze a primary source, you are undertaking the most important job of the historian. There is no better way to understand events in the past than by examining the sources — whether journals, newspaper articles, letters, court case records, novels, artworks, music or autobiographies — that people from that period left behind.

Each historian, including you, will approach a source with a different set of experiences and skills, and will therefore interpret the document differently. Remember that there is no one right interpretation. However, if you do not do a careful and thorough job, you might arrive at a wrong interpretation.

In order to analyze a primary source you need information about two things: the document itself, and the era from which it comes. You can base your information about the time period on the readings you do in class and on lectures. On your own you need to think about the document itself. The following questions may be helpful to you as you begin to analyze the sources:

• Look at the physical nature of your source. This is particularly important and powerful if you are dealing with an original source (i.e., an actual old letter, rather than a transcribed and published version of the same letter). What can you learn from the form of the source? (Was it written on fancy paper in elegant handwriting, or on scrap-paper, scribbled in pencil?) What does this tell you?
• Think about the purpose of the source. What was the author’s message or argument? What was he/she trying to get across? Is the message explicit, or are there implicit messages as well?
• How does the author try to get the message across? What methods does he/she use?
• What do you know about the author? Race, sex, class, occupation, religion, age, region, political beliefs? Does any of this matter? How?
• Who constituted the intended audience? Was this source meant for one person’s eyes, or for the public? How does that affect the source?
• What can a careful reading of the text (even if it is an object) tell you? How does the language work? What are the important metaphors or symbols? What can the author’s choice of words tell you? What about the silences — what does the author choose NOT to talk about?

Now you can evaluate the source as historical evidence.

• Is it prescriptive — telling you what people thought should happen — or descriptive — telling you what people thought did happen?
• Does it describe ideology and/or behavior?
• Does it tell you about the beliefs/actions of the elite, or of “ordinary” people? From whose perspective?
• What historical questions can you answer using this source? What are the benefits of using this kind of source?
• What questions can this source NOT help you answer? What are the limitations of this type of source?
• If we have read other historians’ interpretations of this source or sources like this one, how does your analysis fit with theirs? In your opinion, does this source support or challenge their argument?

Remember, you cannot address each and every one of these questions in your presentation or in your paper, and I wouldn’t want you to. You need to be selective.

– Molly Ladd-Taylor, Annette Igra, Rachel Seidman, and others

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A Step-by-Step Guide to Primary Source Analysis

Primary source analysis is what it sounds like: an analysis of a primary source. It’s beneficial to understand how to do primary source analysis correctly.

Primary source analysis is exactly what it sounds like: an analysis of a primary source.

You probably heard the term “primary source” often in school. It’s referred to as a first-hand experience or account of an event, person, or object.

An audio recording of Martin Luther King Jr’s speech where he’s famously quoted saying “I have a dream” is a first-hand account. It’s his words recorded from his mouth . Someone else who quotes it would be a secondary source.

Primary sources are critical to research . It’s beneficial to understand how to do primary source analysis and justify the source correctly.

1. Start simple

Begin by answering a few basic questions.

What type of source is it? Primary sources can be letters, diary entries, data entries, interviews, or even photographs.

Next, who created it? Self-explanatory: put down the name of the author or person who provided the primary source.

When was it created? Again, quite simple. Write down the date the primary source was created. It may be difficult to know the exact date depending on the source.

2. The context

What led the author to develop this primary source? It might be a significant event in history. Or it could be a series of circumstances. It could even be because of a coincidence. Whichever the reason write it down.

Think of it like this: the person created the content because X event was taking place and he needed to contact Y with Z information.

3. Who is it for?

You may have already done so in the previous step, making this part easier to do. But it’s relatively straightforward. Who was the piece created for?

Letters are often addressed to one person. Diary entries are often directed to no one in particular. If it’s not directly obvious, consider who it could’ve been for.

4. A quick summary

Now address what the key points of the source were.

If it’s a longer entry, try to pick out critical pieces of information that sum up the piece. Try to answer what someone, who knows nothing about the source, needs to know to understand its significance.

Keep that in mind while you dissect the article.

5. Reliability

A primary source must be reliable. But it’s not enough to say that it is.

State how it is reliable (what makes it a primary source) and then explain why it’s significant. Such as: It’s a reliable source as it was created by X during a critical time and has been verified by Y group. It’s significant because…

Consider how it helps to understand the topic at hand. If it doesn’t address anything key within the topic, it may be reliable but not significant. If this is the case, rethink the primary source.

The significance part can be determined from step 3.

6. Question everything

While you answer the above questions, stop and think. Does any of it not make sense?

This can help with reflection or bring an extra level of research to the analysis. Write down your thoughts as you read through the primary source as well. They may come in handy later.

At this point, the primary source analysis has completed. It can be as extensive as you deem fit. So long as you have followed the above steps and answered them to prove reliability and significance, your work here is done.

Each step should be repeated for every additional primary source you have.

Image: Baimieng/ Shutterstock.com

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Primary Sources Essay Writing Guide. Where to Find Good Essay Sources?

• 🔑 What Do You Need to Know about Essay Sources
• 🔢 Examples of Primary, Secondary, & Tertiary Sources
• 🧱 Why Does Everyone Need Credible Sources?

5️⃣ Types of Primary Sources

• ✍️ How to Write a Primary Source Essay
• 🔎 Looking for Good Essay Sources? Check This

We will help you understand how to cite primary sources and write an excellent essay. Stay with us to find it out!

🔑 Essay Sources Explained

Once you’ve chosen the topic for your essay , you need to start thinking about writing it. A list of credible sources is what you are going to need in the first place.

So, we suggest you look into different types of academic sources existing out there!

6 Reasons to Make a List of Solid Sources in Your Essay

An essay is not exactly an academic genre. It’s not so strict-ruled and rigid. Still, the use of reliable and secure sources makes your piece wholesome.

Here are the reasons why it’s essential:

• Reliable sources back up your opinion. Readers tend to take your point of view if it’s well-grounded.
• A variety of literature provides you with other points, perspectives, and ideas: you are not alone in your opinion.
• Cited statements make your readers consider and discuss them as a part of the essay.
• Figures and data from credible sources add validity to your source essay.
• By reading all that literature , you make an impression of a researcher and analyst.
• Share the information with your readers so that they can read about the issues themselves.

Primary, Secondary, Tertiary Sources

There is an endless variety of information, both online and offline. How to find what you need? The answer is simple: you just need to know precisely what to search for.

Various sources can fit different purposes and types of works. Let’s dig deeper into their specification!

I. Primary Sources

A primary source is direct, original data designed for further study and analysis. Such sources provide firsthand, authentic information related to an event, phenomenon, or any other subject.

Examples of primary sources are:

• Literary works
• Artworks: drawings, sketches
• Interviews or speeches
• Original letters or manuscripts
• Authentic documents of legislation or government
• Photographs or video recordings

These materials serve as a fundamental base for diverse types of researches. Primary sources are of wide use in historical or literary analysis. Scientific studies and critical commentaries also need primary sources.

There’s a wide range of purposes for which various primary sources serve:

• For instance, opinion poll findings can be inserted into sociological research.
• Or let’s take documentary archives: they are essential for an excellent historical monography.
• For a good essay about a famous person, you will need their lifetime recordings and interviews.

II. Secondary Sources

Secondary sources are on the second level of the authenticity hierarchy. It means someone has already processed the data, analyzed, or critiqued it.

That doesn’t make secondary sources worse or less valid, though. Let’s have a closer look at the examples:

• Scholarly articles and books
• Any type of criticism ( literary, music, or cinematography critique )
• Commentaries and reviews
• Interpretations, analysis, and synthesis
• Famous people’s biographies
• Textbooks (may be tertiary)

Secondary sources are usually interpretive. They tend to analyze already existing information pieces. That’s why one can find them in all sorts of scholarly works, surveys, and articles.

• For example, original scientific articles excerpted from journals are suitable for the literature review.
• Critical analyses of Malevich’s Manifesto will fit into the art history dissertation.
• Marylin Monro’s biography can become a part of a famous 50-s actress encyclopedia, as well.

So, secondary sources are directly related to the primary sources – they use them.

III. Tertiary Sources

Tertiary sources can be defined as a compilation of both primary and secondary sources together. It includes a thorough summary of organized information and its background.

Look at the examples to grasp the idea:

• Handbooks & textbooks
• Biographies or compilation of them
• Dictionaries & encyclopedias
• Card indexes and catalogs

A tertiary source lets you get easy and fast access to a large amount of data. They are accommodating for extensive surveys and researches.

• Let’s take an essay on the abortion issue. You’re going to need figures and statistics from the birth rate data reports to write it.
• Another example is a scholarly work studying American poets of the late 40s. More likely, you’ll need a catalog with specific names, so you can understand what to search.
• Or, you’re studying psychiatry and are about to write a term paper on addictions affecting people’s lives. In that case, a guidebook on different types of addictions will be of great value for you.

🔢 Primary, Secondary, Tertiary… It’s All Relative

Any document or piece of information can be primary, secondary, or tertiary.

It depends on the way you treat it.

Your exact question and a research focus play a decisive role while identifying the sources.

Let’s get a more precise understanding of this with the help of some good examples.

🧱 Why Finding Credible Sources Is a Must?

We hope you are now more confident with primary, secondary, and tertiary sources.

Now let’s get to the rules of defining a list of credible sources.

It’s essential to be picky and attentive when it comes to source selection! Don’t fall upon any text you encounter online, especially if the website isn’t reliable enough.

How to Find Credible Sources?

We suggest you a checklist for recognizing the most valid sources:

• H-index: check out a publication’s authority according to the Hirsch index . It’s one of the most reliable ways to prove article validity.
• Make sure the domain is safe . Websites with suspicious domains tend to provide dubious information.
• Look for some extra information: if you find some relevant source, try to look for references in other sources.

Anyway, the best way to make your paper decent and solid is to double-check all the data you use. Take as a rule analyzing and reflecting upon everything you read.

Now you know the very fundamentals of working with the sources, it’s time to move on.

The following section is about the types of primary sources.

Are you excited enough to find out what types of primary sources exist there?

5 Common Types of Primary Sources

We offer a list of five types of primary sources that are used pretty often. However, there are many more primary sources out there to study.

Cultural products

• Items produced within the cultural development of humanity.
• Different pieces of art and media: paintings, statues, movie tapes, clothing, or jewelry.
• Such physical evidence evokes imagination and facilitates research capacity. They demand a very consistent approach and have to be treated carefully.

Accounts on people/events/ideas

• Sources that transfer memories about specific phenomena, people, or occasions.
• Such items as memoirs, newspapers, chronicles, diaries comprise this scope.
• These pieces are like time machines that can reconstruct the picture of the past quickly.

Demographic data

• The information about the population of a particular place or time.
• Demographic data includes birth and death records and censuses.
• It has great value because it lets a researcher survey phenomena and processes related to the population.

Organizations’ records

• These documents disclose the peculiarities of the work process of an institution.
• It can be various kinds of archives, databases, church registers.
• They preserve complex information about employees, transactions, contracts, and other factual data.

Places’ records

• These are tools containing broad information about geographical locations.
• Maps, atlases, travel guides, or photographs.
• They also contribute to a more vivid and detailed picture of the whole situation for the research. All this delivers facts about a definite place, which makes analysis precise and accurate.

✍️ Writing a Primary Source Essay

Is it time to write a primary source essay yet?

Let’s learn how to deal with the primary sources analysis essay in this section.

Keep on reading what we have prepared to master writing essays with reliable sources!

1. What Is a Primary Source Essay?

A primary source essay is writing where you widely and frequently cite primary sources. You have to reflect upon them, analyze, and use them as a foundation for your arguments. For example, it can be an analysis essay studying the logic of literary devices used in the Iliad.

Here are the examples we’ve prepared for you for a better understanding:

• Topic: “Analysis of Clyde Griffiths’ character in Theodore Dreiser’s American Tragedy.” Concept: Look for descriptions of Clyde’s character in the book first. Then cite these extracts in your essay while solidifying your opinion. Primary sources: The primary source which you are going to use is the novel itself.
• Topic: “Analysis of the reasons for low birth rate in Northern countries.” Concept: Get down to searching sociological articles dedicated to this issue. Find the information that reveals particular reasons and use it as supporting arguments. Primary sources: birth statistics, value surveys, and other data about economic and well-being factors.
• Topic: “The peculiarities of female writers’ acceptance in the 1950s.” Concept: There must be a lot of criticism written in those years. Search for the most exciting and worth citing pieces, draw the quotations to your writing. Primary sources: book reviews, interpretations, newspaper articles of that period
• Topic: “Analysis of major turning points of WWII.” Concept: You’ll have to look for the sources containing the information on the critical WWII events. Refer to the views of different authors to prove the event was significant. Primary sources: books of authoritative historians and memoirs of war participants.
• Topic: “How modern female singers are presented in online media”? Concept: Head for digital sources dedicated to famous people’s lives, find articles, pictures, and interviews. Primary sources: online magazines, journals, and articles.

2. Primary Source Analysis Essay: Writing Guide

You already understand how to use primary sources in your writing. It’s time to comprehend the whole process of writing a primary source essay format in detail.

Are you ready?

Working with the Source

To ensure that a source is reliable and meets all the demands, you should conduct preliminary analysis . Any piece of information and external factors are worth your attention here.

Use this checklist to make yourself sure about source credibility:

• Learn about the author of the source. Where do they come from, what are their characteristics – social and demographic?
• Analyze the way the author tries to deliver the message: the style, language, tone. Does it have signs of prejudice or bias? Does the narrative show the author’s full awareness of the issue?
• Evaluate and describe the context of the document or whatever the source is.
• Try to find out the exact circumstances and time when the source first appeared.

Introducing the Key Ideas

Are you most likely to have a keen desire to sound persuasive to the audience? Let the readers comprehend the primary focus of research. Give a brief description of the main idea, state a thesis and your opinion before going into details.

Analyzing the Meaning

We have approached the central and the most supplemented part of the essay – its body.

It’s time to go all-in now.

In the central part of the analysis, you should use meticulous details and a thorough description of the essence.

Observe the fundamental points:

• You aim to prove the significance of the source for the work. Show the value the document or object carries and what questions it answers.
• Are there other viewpoints on the subject in question? Analyze different approaches and interpretations as well.
• Also, consider the points where this source isn’t helpful: answers on which questions it fails to give?

Concluding the Analysis

It’s the right moment to wind up with your primary source essay.

The process doesn’t differ much from that of any other type of essay. The peculiarities of the conclusion may vary depending on the research question.

• Comprise and sum up all your ideas and thoughts.
• Draw a consistent summary based on everything you’ve discussed in your writing.
• Repeat the value and novelty of using your primary sources one more time.

3. How to Cite a Primary Source?

The final step is to cite primary sources properly. There can be a great variety of them. For instance, you may have to cite primary sources from a book or website.

It may happen that you’ll have to cite sources both inside the text and in the bibliography list:

We’ll give you examples of how to cite a book or refer to a picture you use in the text.

How to Cite Primary Sources in Text

The citation appears right in the text.

How to Cite Primary Sources in Bibliography

Let’s see how to cite a source in the bibliography list now.

🔎 Where to Find Good Essay Sources?

If you are at this point, you know how to write an excellent primary source analysis essay. You definitely got an idea of how to cite primary sources for it.

It’s a good deal of work!

Now you wonder where to find good sources, do you?

No worries, we’ve prepared a list of reliable and trustworthy websites for you:

Academic Sources: Search Engines and Individual Publishers

Scholar.google.com Directory of Open Access Journals Aosis Open Journals Taylor & Francis Copernicus Publications F1000Research Highwire free online full-text articles Hindawi Publishing Corporation Open Book Publishers Open Edition PeerJ Public Library of Science Sage The Company of Biologists

University Libraries with Open Access Policies

MIT Libraries Harvard Library Databases Yale Digital Collections Center University of Hawaii Library Columbia University Libraries

Open Access to Academic Sources – Full-Text Articles

Dovepress Academic Journals Open Library (JSTOR’s project) National Agricultural Library AGRIS Food and Agricultural Organization of the United Nations Arachne (Archaeology, Art History database) Arnetminer (Computer Science database) arXiv Cornell University Library

Hopefully, you’ll have no problem accessing the academic sources you need.

And that takes us to the final checklist. Go through this list and figure your strong and weak sides.

• You clearly understand the differences between primary, secondary, and tertiary sources. You know when to use each of them.
• You know how to detect credible sources, where to find them, and how to evaluate them.
• You exactly know which type of primary sources you need for your essay topic.
• You’ve conducted a preliminary analysis with these sources and gathered the basic info about the author, date, and place of creation, as well as analyzed discussion, critique, etc.
• You’ve sufficiently applied the data from the primary sources in your essay.
• You’ve followed all rules of citing primary sources: they are cited correctly both in text and bibliography.

We wish you lots of inspiration and good luck 🍀

Research Paper Analysis: How to Analyze a Research Article + Example

Film analysis: example, format, and outline + topics & prompts.

• Source Criticism
• Source Kind and Type

Primary and secondary sources explained

Historical sources are central to your study of the past and are important to your success in History assessment pieces.

Therefore, it is of the utmost importance that you learn what they are and in what forms they come.

What is a historical 'source'?

A source is something that provides information about the historical topic you are studying.

They can either be written (e.g., books or websites), or non-written (e.g., photographs or artefacts).

No matter what you're doing in History, you will use sources.

This could be simply learning information from a textbook or website, or actually looking at ancient artefacts made in the past.

Either way, they provide information about the past and are considered 'sources of information'.

The two kinds of sources

There are two kinds of sources: primary and secondary. 

The main difference between a primary and a secondary source is when they were made.

In order to determine whether a particular source is a primary or secondary source, you need to discover its time of creation .

Primary sources

Primary sources were made during the historical period that is being investigated. 

These are often the hardest to find but, as a result, are often the strongest evidence you can use in your assessment pieces .

There are many different types of primary sources:

Watch a video explanation on the History Skills YouTube channel:

Watch on YouTube

Secondary Sources

Secondary sources were made after the time period you are investigating.  As you progress as a History student, you will start to find that some secondary sources are better than others.

As a general rule, value secondary sources that are created by scholars, as they are usually more reliable .

However, whilst m odern scholars aim to produce reliable and unbiased historical accounts, read their writings with the same critical eye as you would primary source creators.

Like primary sources, secondary sources come in different  types : 

For example

Demonstrating source kind and type in your writing:

An ancient Greek sword is a primary source because it was made at the time of the event. 

A modern website is considered to be a secondary source since it was made after the time of the events it describes.

The Gallic Wars is a firsthand, written account of Julius Caesar’s invasion of Gaul.

In a series of letters written in 1914 to the Russian Tsar, German Kaiser Wilhelm II wrote that “the responsibility for the disaster which is now threatening the whole civilised world will not lie at my door” (1914, n.p.).

Test Your Learning

No personal information is collected as part of this quiz. Only the selected responses to the questions are recorded.

What do you need help with?

Download ready-to-use digital learning resources.

Copyright © History Skills 2014-2024.

Contact  via email

• food insecurity

When College Kids Can’t Afford Food

A s fall semester of college is in full swing, nearly a quarter of students face a little-discussed, yet pernicious challenge: food insecurity. 

According to a 2024 study by the U.S. Government Accountability Office (GAO), in 2020, 3.8 million college students reported experiencing food insecurity. More than half of these students reported skipping meals or not eating multiple times a day because they couldn’t afford food.

This food insecurity crisis didn’t come out of the blue. College students have struggled to access sufficient food for decades. What used to be viewed as the college trope of a student eating ramen for four years has become a full-blown crisis. More students with lower incomes and less generational wealth are enrolling in college. The cost of attending has grown along with increased food, housing, and other  living expenses . 

The recent GAO report provides the first-ever national systemic data on just how prevalent this crisis is.   

Make no mistake: It takes a massive toll on students—and our economy. Research consistently shows that food insecurity hinders student performance and  reduces college completion rates . That can delay or derail students’ careers and deprives our economy of  much-needed, college-educated workers . 

I experienced food insecurity myself as a young, single mother who was fighting to get out of poverty by attaining a college degree. My four-year degree dragged on 12 years as I worked to support myself and my family.

Read More: Millions of Americans Face Food Insecurity. They Need Help.

The Supplemental Nutrition Assistance Program (SNAP), which helps people with lower incomes afford food, could theoretically help quell this food disaster. But in its current form, the program excludes millions of college students. That’s a massive policy blunder.

Currently, to access SNAP, applicants must have income below set  poverty thresholds  and meet certain citizenship and household criteria. People who are enrolled in a higher education institution at least half-time must also fulfill one other criterion to qualify. Some criteria include working 20 hours per week on average or participating in work study. 

Lawmakers passed these restrictions decades ago over unfounded concerns that students who were supported by their parents would abuse the program. Policymakers speculated that students supported by higher-income families would claim to be low-income by counting themselves as separate households. But there’s no research to indicate this has ever happened on a wide scale—any “evidence” is purely anecdotal. 

Nevertheless, these restrictions continue to block many individuals from accessing necessary nutrition support that could help them finish college, and sooner. The GAO report found that 4.5 million students who were enrolled at least half-time met the income thresholds for SNAP participation. But only 3.3 million met one of the exemption criteria— mostly by working at least 20 hours per week. 

That’s already a hefty task for students while managing their course load. But on top of that, two-thirds of these students reported not receiving any SNAP benefits despite appearing eligible. 

Unsurprisingly, the food insecurity crisis doesn’t affect all schools and students equally. A higher share of food insecure students attend minority-serving and for-profit institutions. Students experiencing homelessness, former foster youth, genderqueer, and gender nonconforming students, and first-generation students are also particularly vulnerable to food insecurity.

These food insecurity issues have wide-reaching impacts. Students struggle to perform at their highest level if they don’t have enough food. And working more hours results in less  successful education outcomes . If they don’t graduate, they lose crucial opportunities to advance in their careers and achieve higher incomes. In fact, over  40 million  people have attempted college but did not achieve a credential, which most attribute to  financial challenges . 

Ultimately, the system re-entrenches the cycle of poverty that made students food insecure in the first place. Case in point: Instead of completing my degree sooner, I was routed into poverty-sustaining wage jobs that forced me to continue to use public programs to survive, and delayed my ability to be economically secure. Restrictions on SNAP didn’t help me, my son, government programs, or my contributions to the tax system. Restrictions kept me in the system.

Our country also can’t afford to miss out on college-educated workers. A 2023 report from Georgetown University  found that 72% of jobs will require postsecondary education or training by 2031 and over 40% will require a bachelor’s degree. By failing to address food insecurity now, we’re also hurting our economy for the long haul. 

It doesn’t have to be this way. SNAP can and should ensure people can access an education that  we  know  leads to greater economic security . SNAP serves almost 80% of eligible households on average, but just 30% of students in need. 

SNAP is governed by the Agricultural Improvement Act, commonly known as the Farm Bill, which is traditionally reauthorized every five years . The legislation governs many other programs – including agriculture subsidies and disaster aid—but nutrition programs comprise the largest share. The reauthorization process is the window of opportunity to retool programs to reflect current and future economic conditions over the next five-year period. The program should have been reauthorized last year, but the deadline was extended due to partisan divide. The deadline is now set for the end of this month.

We should take advantage of this opportunity. SNAP has a long history of support across the aisle. Ensuring SNAP does not force people to choose between pursuing college or meeting their basic need for food is a commonsense adjustment that should have bipartisan appeal. 

Notably, other national programs—including the  Workforce Innovation & Opportunity Act  (WIOA) and the  Strengthening Career and Technical Education for the 21st Century Act  (Perkins) program already promote the pursuit of postsecondary credentials and degrees. Adjusting SNAP would simply bring it in line with other similar programs. 

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Legalizing Sports Gambling Was a Huge Mistake

The evidence is convincing: The betting industry is ruining lives.

Produced by ElevenLabs and News Over Audio (NOA) using AI narration.

Over the weekend, millions of Americans watched football. They cheered, they ate, and—more than ever—they gambled. The American Gaming Association expects $35 billion in bets to be placed on NFL games in 2024, about one-third more than last year’s total.

If you follow sports, gambling is everywhere. Ads for it are all over broadcasts; more than one in three Americans now bets on sports, according to a Seton Hall poll. Before 2018, sports gambling was prohibited almost everywhere. Now it’s legal in 38 states and the District of Columbia, yielding $10 billion a year in revenue.

Readers may be quick to dismiss these developments as harmless. Many sports fans enjoy betting on the game, they say. Is it such a big deal if they do it with a company rather than their friends?

A growing body of social-science literature suggests that, yes, this is in fact quite different. The rise of sports gambling has caused a wave of financial and familial misery, one that falls disproportionately on the most economically precarious households. Six years into the experiment, the evidence is convincing: Legalizing sports gambling was a huge mistake.

Starting in 1992, sports betting was generally banned throughout most of the United States under the Professional and Amateur Sports Protection Act. PASPA forbade running gambling “schemes” tied to competitive sports. Americans could still make bets with one another about Super Bowl results, but neither government nor businesses could get a cut of the action.

That approach held until 2012, when New Jersey, fearing that Atlantic City was losing its competitive edge, legalized sports gambling. The NCAA brought suit, alleging a violation of PASPA; the state responded that PASPA itself was an infringement on its sovereignty. The case came before the Supreme Court, which in 2018 ruled that PASPA violated the Tenth Amendment’s prohibition on the federal government exercising powers reserved for the states.

With PASPA gone, states were eager to let sportsbooks set up shop. Within a year and a half, Goldman Sachs estimated , Americans were betting about $50 million a month. By late 2023, that figure exceeded $1 billion a month—a 20-fold increase.

Keith O’Brien: Risking everything to lose money

Because different states legalized sports gambling at different times, social scientists can compare different measures of well-being in states that did legalize with those that did not, before and after legalization.

Alarming patterns have started to emerge. Two recent working papers look at the economic impacts of legalization. One , by Northwestern University’s Scott Baker and colleagues, finds that legal sports gambling depletes households’ savings. Specifically, for every $1 spent on betting, households put $2 less into investment accounts. States see big increases in the risk of overdrafting a bank account or maxing out a credit card. These effects are strongest among already precarious households.

A second paper , from the economists Brett Hollenbeck of UCLA and Poet Larsen and Davide Proserpio of the University of Southern California, tells a similar story. Looking specifically at online sports gambling, they find that legalization increases the risk that a household goes bankrupt by 25 to 30 percent, and increases debt delinquency. These problems seem to concentrate among young men living in low-income counties—further evidence that those most hurt by sports gambling are the least well-off.

A third recent paper , from the University of Oregon economists Kyutaro Matsuzawa and Emily Arnesen, shows another, perhaps more surprising—and certainly more harrowing—harm of gambling legalization: domestic violence. Earlier research found that an NFL home team’s upset loss causes a 10 percent increase in reported incidents of men being violent toward their partner. Matsuzawa and Arnesen extend this, finding that in states where sports betting is legal, the effect is even bigger. They estimate that legal sports betting leads to a roughly 9 percent increase in intimate-partner violence.

Because of the studies’ design, these results reveal what sports gambling causes , not merely what it correlates with. And the numbers they reveal are of course not only numbers but human lives. Sports gambling is addictive ; although many people can do just a little of it, some keep playing compulsively, well past the point of no return. This yields not only debt and bankruptcy but emotional instability and even violence. The problems don’t stop there: Gambling addiction has been connected to anxiety, depression, and even suicide .

The industry may claim to want to prevent problem gambling, but its profits largely come from the compulsions of people with a problem. A small number of people place the large majority of bets—about 5 percent of bettors spent 70 percent of the money in New Jersey in late 2020 and early 2021, for example. The costs of gambling concentrate among those least able to pay, setting back those who most need help. That dollar that could have gone to buying a home, getting a degree, or escaping debt instead goes to another wager. Such behavior is irresponsible, but it’s hard to blame bettors alone when companies make their profits by pushing them to bet more.

Legalization isn’t yielding many benefits, either. Tax revenue—one of the major justifications for legalization—has been anemic, with all 38 legal states combined making only about $500 million from it a quarter, less than alcohol, tobacco, or marijuana. And it hasn’t even shrunk the illegal market, at least in Massachusetts, where bettors were just as likely to use unauthorized betting sites after legalization.

Against this backdrop, PASPA-era prohibition looks comparatively benign. Americans could bet with one another, but businesses couldn’t profit off of it. Arrests for gambling were basically nonexistent , meaning prohibition had limited human cost.

For little obvious gain, most states have permitted businesses to make billions of dollars off of the most economically precarious among us. Some commentators and politicians have—falteringly—recognized these costs, and suggested careful regulation around the edges to address them.

Amanda Mull: Sports betting won

But the more elegant solution is the blunter one: ban sports gambling once again. Unlike regulation—which is complex, hard to get right, and challenged by near-certain industry capture of regulatory bodies—prohibition cuts the problem off at the root. No legal sports gambling, no sports-gambling industry.

For the dozen states, including Texas and California, where sports gambling is still illegal, the solution is simple: change nothing. For the other states, undoing the damage may be harder. But it is damage worth undoing. If the states are “laboratories of democracy,” then the results of their experiment with sports gambling are in, and they are uniformly negative. Better to end the study now than prolong the suffering.

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