Loyola University Chicago Libraries

Primary and Secondary Resources: Secondary Resources

Definition of Secondary Resources

A secondary source is information about primary, or original information. It usually has been modified or rearranged after-the-fact to draw new insights for a specific purpose or audience. It can be a description, an interpretation, an analysis, a commentary or an evaluation of an historical event or phenomenon, or the original writing of an author.


  • Almanacs
  • Bibliographies
  • Bibliographies
  • Chronologies
  • Commentaries
  • Dictionaries
  • Directories
  • Dissertations and Thesis
  • Editorials
  • Encyclopedia articles
  • Fact books
  • Indexes and Abstracts
  • Literature reviews
  • Monographs (non-fiction)
  • Periodical articles
  • Review articles
  • Textbooks
  • Work of criticism or interpretation

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