To gather background information on your topic and to learn about research and scholarship in the field are good reasons to start with reference material.
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.
Authoritative guide to current scholarship in a variety of subjects with recommendations on the best works available whether it be a book chapter, journal article, website, or data set.
Subject dictionaries, encyclopedias, and handbooks typically provide background essays, definitions, broad overviews of various topics, or other pertinent facts.
Encyclopedias and Dictionaries