Materials sought for the collections include all typical reference works: almanacs, yearbooks, general encyclopedias, language dictionaries, grammar & usage handbooks, thesauri, atlases, gazetteers, periodical indexes and abstracts, directories, handbooks, research guides, bibliographies, statistical compendia, special-subject dictionaries and encyclopedias, library catalogs, union lists, biographical dictionaries, directories, quotation books, and writing style manuals; travel guides, bibliographic databases; and full-text reference databases. Standards and industrial/engineering specifications are not collected.