What is a Library of Congress number?
The Library of Congress Card Catalog Number is assigned by the Library at its discretion to assist librarians in acquiring and cataloging works. For further information call the Cataloging in Publication Division at (202) 707-6345. • What is an ISBN number? The International Standard Book Number is administered by the R. R. Bowker Company 1-888-BOWKER2. The ISBN is a numerical identifier intended to assist the international community in identifying and ordering certain publications. • What is a copyright notice? How do I put a copyright notice on my work? A copyright notice is an identifier placed on copies of the work to inform the world of copyright ownership. While use of a copyright notice was once required as a condition of copyright protection, it is now optional. Use of the notice is the responsibility of the copyright owner and does not require advance permission from, or registration with, the Copyright Office. See Circular 3, Copyright Notice for requirements for works publis
The Library of Congress Card Catalog Number is assigned by the Library at its discretion to assist librarians in acquiring and cataloging works. For further information call the Cataloging in Publication Division at (202) 707-6345. • What is an ISBN number? The International Standard Book Number is administered by the R. R. Bowker Company 877-310-7333. The ISBN is a numerical identifier intended to assist the international community in identifying and ordering certain publications. • What is a copyright notice? How do I put a copyright notice on my work? A copyright notice is an identifier placed on copies of the work to inform the world of copyright ownership. While use of a copyright notice was once required as a condition of copyright protection, it is now optional. Use of the notice is the responsibility of the copyright owner and does not require advance permission from, or registration with, the Copyright Office. See Circular 3, Copyright Notice for requirements for works publish
