History 132

Tertiary sources consist of information which is a distillation and collection of primary and secondary sources.

• Almanacs;
• Bibliographies (also considered secondary);
• Chronologies;
• Dictionaries and Encyclopedias (also considered secondary);
• Directories;
• Fact books;
• Guidebooks;
• Indexes, abstracts, bibliographies used to locate primary and secondary sources;
• Manuals;
• Textbooks (may also be secondary).