Cyrillic Union Catalog. Washington: Library of Congress, 1952-1956

The Library of Congress Cyrillic Catalogue is one of the most important bibliographic tools in Slavic area studies. It consists of the monographs and serials holdings in the Library of Congress in Russian, Ukrainian, Byelorussian, Bulgarian, Macedonian, and Serbian, along with other titles reported by 185 American libraries. This includes major parts of collections at the New York Public Library, the Hoover Library and the libraries of Columbia, Harvard and Yale. All entries are transliterated into the Roman alphabet using the Library of Congress transliteration system.