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Characteristics of Sources

This LibGuide serves to support students' understanding of the characteristics of various sources used in the research process.

Primary Sources

A primary source is an information source created at the time of the event the source addresses. Examples of primary sources include:

  • newspaper articles
  • interviews
  • original research published in scholarly journals
  • photographs
  • novels
  • minute meetings
  • legislation
  • diaries
  • autobiographies
  • speeches
  • letters
  • video recordings of the actual event
  • manuscripts
  • blog posts
  • podcasts
  • eyewitness accounts
  • maps
  • objects from a specific time period or event

Breaking news web article with firsthand descriptions of an event, in this case a wildfire which has destroyed several homes. The date of the article is emphasized in relation to a reference to the time frame in the article.

A current event news article is considered a primary source because no context has been added to the existing content.

Secondary Sources

Secondary sources are sources created after the fact of an event. Secondary sources are more analytic and provide context for primary sources and the events they encompass. Examples of secondary sources include:

  • literary criticisms
  • book reviews
  • textbooks
  • books with footnotes/endnotes
  • biographies
  • scholarly articles which borrow from previous research
  • book reviews
  • news articles (non-first hand accounts)
  • magazines

Record of a critical essay discussing Ma Vie En Rose emphasized as a secondary source.

This source utilizes other sources to create contextual content making it a secondary source.

Tertiary Sources

Tertiary sources provide the facts of a subject/topic without commentary, interpretation, or critique. Examples of tertiary sources include:

  • encyclopedias
  • dictionaries
  • factbooks
  • overviews
  • almanacs
  • digests

Encyclopedic entry for agrarianism used as an example of a tertiary source.

An encyclopedia entry which defines or only provides factual information on a topic is an example of a tertiary source.