Reference Sources
Reference sources can be helpful when you need background information or an introduction to a topic. Search the Local Catalog to find other reference works, including print sources. Try using words like "encyclopedias," "dictionaries," and "bibliographies" with your topic. For example, search Oklahoma encyclopedias.
American National BiographyBiographies of individuals from all eras who have influenced and shaped American history and culture.
Encyclopedia of Oklahoma History & CultureProduced by the Oklahoma Historical Society. Includes biographies, geographical features, town and country histories, major events and historical movements, and more.
Gale eBooks (formerly Gale Virtual Reference Library)Search multiple reference resources at one time. Try searching for Oklahoma to see how it appears in many different sources.
Historical Statistics of the United StatesSource for quantitative facts of American history. Downloadable and customizable to suit individual areas of interest.
Who's Who (Marquis)Directory. Includes Who's Who in America, Who's Who in the World, Who's Who in American History, Who's Who in American Art, Who's Who in American Politics, Who's Who in Science and Engineering, Who's Who in Medicine and Healthcare, Who's Who of American Women, and Marquis Biographies Online.