The national union catalog: A cumulative author list representing Library of Congress printed cards and titles reported by other American libraries. Washington, DC [u.a.]: LoC.

The national union catalog : A cumulative author list representing Library of Congress printed cards and titles reported by other American libraries / compiled and edited with the cooperation of the Library of Congress and the National Union Catalog Subcommittee and of the Resources Committee of the Resources and Technical Services Division, American Library Association . — Washington, DC [u.a.] : LoC

The National Union Catalog: A Cumulative Author List Representing Library of Congress Printed Cards and Titles Reported By Other American Libraries.Washington, DC [u.a.]: LoC.