Annual report of the director / the Mount Wilson and Las Campanas Observatories.
- Publisher: The Observatories
- Print ISSN: 0732-6130
- Electronic ISSN:
- OCLC Number: 8137072
- Subject: Astronomy Periodicals.
- Subject code: QB
- Publication history: 1980-1981-
Print Holdings
| Archiving Institution | Program | Holdings Description | Retention |
|---|---|---|---|
| HathiTrust (HATHI) | HTDL | 1980-1986 | permanent |