Catalog of Copyright Entries Library of Congress. Copyright Office Published: 1943 Total Pages: 1108 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: 1944 Total Pages: 1184 Get eBook
Official Gazette of the United States Patent Office United States. Patent Office Published: 1963 Total Pages: 1758 Get eBook
