Primary Sources

Secondary Sources: What are they?

Secondary Source

Secondary sources help build your background knowledge about your topic. They are used to interpret primary sources, so you can think of them as report that is at least one step removed from the event or issue you are studying. In this sense, secondary sources are like second-hand accounts…

  • If I tell you something, then I am the primary source.
  • If you tell someone else what I told you, then you are the secondary source.
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Primary Sources: What are they?

Dear Diary

Primary sources are the raw materials of history, providing a window into the past and unfiltered access to the historical record. They are the first-hand accounts, in a range of formats, which were produced by people who lived during that period. In an archive of primary source materials, you’ll find a record of the cultural, social, economic, political, and scientific inquiries of the time.

For a more detailed explanation of the variety of different types of formats, visit the “Primary Sources at Yale” page.

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Primary & Secondary: What's the difference?


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Video Transcript:


Created by our colleagues at the UCSD Social Sciences & Humanities Library, this video shows the difference between primary and secondary sources.