Circular /
- Publisher: The Observatory
- Print ISSN:
- Electronic ISSN:
- OCLC Number: 11480500
- Subject: Astronomy Periodicals.
- Subject code: QB
- Publication history: No. 1 (Mar. 31, 1931)-
Print Holdings
| Archiving Institution | Program | Holdings Description | Retention |
|---|---|---|---|
| HathiTrust (HATHI) | HTDL | no.1-8, 10-12 1931-37; no.1-8,10-13 1931-1932,1934-1948; no.1-13 1931-48 | permanent |