# The National Union Catalog, Pre-1956 Imprints: a Cumulative Author List Representing Library of Congress Printed Cards and Titles Reported by Other American Libraries

> bibliography published in London: Mansell, 1968-81

**Wikidata**: [Q107434107](https://www.wikidata.org/wiki/Q107434107)  
**Source**: https://4ort.xyz/entity/the-national-union-catalog-pre-1956-imprints-a-cumulative-author-list-representing-library-of-congress-printed-cards-and-titles-reported-by-other-american-libraries


## References

1. Open Library
2. [Source](https://rbms.info/scf/?scf_entries=national-union-catalog-pre-1956-imprints)