Symbols used in the Union Catalog of the Library of Congress.
- Publisher: Library of Congress, Union Catalog
- Print ISSN:
- Electronic ISSN:
- OCLC Number: 6210939
- Subject: Libraries United States Abbreviations Periodicals.
- Subject code: Z
- Publication history: 4th ed. (1942).
Print Holdings
| Archiving Institution | Program | Holdings Description | Retention |
|---|---|---|---|
| HathiTrust (HATHI) | HTDL | 1942 | permanent |