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Primary Sources

Tertiary Sources

A tertiary source lists or indexes primary and secondary sources. Some examples of tertiary sources are:
  • almanacs
  • bibliographies
  • chronologies
  • dictionaries and encyclopedias (may also be secondary)
  • digests
  • directories
  • handbooks
  • indexes used to locate primary and secondary sources
For more information and a comparison between sources, see the University of Wisconsin - Steven Point University Library's guide