Evaluate History Sources


Historians judge the reliability of their research by the source. There are 2 types of sources—primary and secondary.

Primary Source is an original document or account of an event made from personal experience or observation. They are usually written in the first person and use words like I and We.
  • Journals, diaries, and letters
  • Census reports
  • Oral history projects
  • Photographs
  • Ship passenger lists
  • Maps
  • Documents—birth, death, marriage, property transactions, etc.
  • Government Film
  • Historic audio recordings
Secondary Source of an historic event is from someone who did not witness that event but is reporting it based on research. Secondary sources are usually written through the filter of interpretation and analysis. Examples of secondary source material are textbooks, biographies, encyclopedias, biographies, and websites. They are usually written in the third person—he was. . ., the soldiers fought. . . A reprint of an immigrant’s journal in a book or on the internet is technically a second source, but can carry the reliability of a primary source.

Judging a source

Just because something has been published—be it in a book or on the internet—doesn’t mean it’s accurate. You must be the judge of whether or not you can trust your sources when doing your research. Examine your book, journal, magazine, or website for reliability clues.

  • Author
  • Author’s title or position
  • Author’s affiliation or organization  Look for .gov, .edu, or .mil at the end of website URLs. Books usually have a bio for the author.
  • Date of page creation or revision (website). Is it current information.
  • Date of page creation or revision (website). Is it current information.
  • Author’s contact information (website)
  • Publisher (book, journal, or magazine
  • Is the information complete
  • What is the purpose of the publication
  • Is the information objective
  • Are sources listed
  • Is the information supported by other sources
  • Wikipedia is a good place to start, but anyone can add to the articles. Scholastic institutions do not usually recognize it as a credible source. Many of the articles do, however, cite references. Check them out.

More Historic Matrix

Words of historians

Images & newspapers

Music & historic moving pictures


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Copyright September 2009 Family History Coach   All rights reserved   Last update April 27, 2010 

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