Specialized reference sources--like dictionaries and subject encyclopedias, provide overviews of topics and descriptions of concepts and ideas. They can also provide definitions, statistics, and other details. You can use this type of source to help narrow your research topic, find data to support your thesis, and identify keywords and main ideas to use as search terms.
The titles on this page are just a small sample of encyclopedias we have online and in the reference and main book collections. Search these online resources or browse the stacks to find more related books and specialized encyclopedias.