Answered By: Gretchen Scronce Last Updated: Dec 05, 2018 Views: 161
Tertiary sources provide overviews of topics by synthesizing information gathered from other resources. Tertiary resources often provide data in a convenient form or provide information with context by which to interpret it. Encyclopedias are often tertiary sources.
Bibliographies (also considered secondary)
Dictionaries and Encyclopedias (also considered secondary)
Indexes, abstracts, bibliographies used to locate primary and secondary sources
Textbooks (also considered secondary)