Reference Material in the form of subject dictionaries, encyclopedias, and handbooks typically provide background essays, definitions, broad overviews of various topics, or other pertinent facts. Online reference material can be searched via collections like those below.
Over 600 reference books, including encyclopedias, dictionaries (English and foreign language), thesauri, books of quotations, as well as a range of subject-specific reference books.
Encyclopedias, handbooks, ebooks, and videos published by Sage and CQ Press. 2000 to present