National union catalog.
- Publisher: Library of Congress
- Print ISSN: 0090-0109
- Electronic ISSN:
- OCLC Number: 1759447
- Subject: Catalogs, Union United States.
- Subject code: Z
- Publication history: Began with 1965.
Print Holdings
| Archiving Institution | Program | Holdings Description | Retention |
|---|---|---|---|
| HathiTrust (HATHI) | HTDL | 1973:2; 1973:1; 1974:1; 1974:2; 1975:1; 1975:2; 1975:3; 1976:1; 1976:2; 1977:1; 1977:2; 1977:3; 1977:4; 1979:1; 1979:2; 1979:3; 1979:4 | permanent |