The National Union Catalog, Pre-1956 Imprints Library of Congress Published: 1972 Total Pages: 712 Get eBook
Catalog of Copyright Entries Library of Congress. Copyright Office Published: 1911 Total Pages: 998 Get eBook
Catalogue of Title-entries of Books and Other Articles Entered in the Office of the Librarian of Congress, at Washington, Under the Copyright Law ... Wherein the Copyright Has Been Completed by the Deposit of Two Copies in the Office Library of Congress. Copyright Office Published: 1911 Total Pages: 2772 Get eBook
