Maintains significant special collections include the Chicano Collection, the Judaica Collection, the S. L. A. Marshall Military History Collection, and the Southwest and Border Studies Collections.
Federal selective depository library since 1933 and Ohio state depository since 1953. Federal materials include all census reports since 1790, U.S. treaties, and many areas of current interest. Rare book archives include the Ockuly Franklin D. Roosevelt collection (1914-1980). Other holdings include: the Historical Collections of the Great Lakes, the Music Library and Sound Recordings Archives, the Popular Culture Library, and the collections of Ogg Science Library. Research affiliations: Center for Research Libraries.