National union catalog.
Library of Congress.Catalog Publication Division.
Library of Congress.Catalog Maintenance and Catalog Publication Division.
Washington, D. C. : Library of Congress,
A cumulative author list representing Library of Congress printed cards and titles reported by other American libraries.
1966 includes first six months of 1967.  No issue for 1967.
Issued in 2 vols. from [1976?].
Cumulations issued as vols. of the National union catalog quinquennial cumulations 1963/67-
Vols. for 1965-   compiled the Catalog Maintenance and Catalog Publication Division;  by the Catalog Publication Division.
Includes quinqennial cumulations.
Supplements the National union catalog by recording locations reported after the pertinent post-1955 imprints have been published in the Catalog.
Union catalogs
Union catalogs
Library of Congress catalogs
National union catalog