Annual report of the director of the Mount Wilson Observatory.
- Publisher: Carnegie Institution of Washington
- Print ISSN: 1057-4360
- Electronic ISSN:
- OCLC Number: 14409890
- Subject: Astronomy Periodicals.
- Subject code: QB
- Publication history: 1917/1918-1946/1947.
Print Holdings
| Archiving Institution | Program | Holdings Description | Retention |
|---|---|---|---|
| HathiTrust (HATHI) | HTDL | 1914-1922 | permanent |
| Linda Hall Library of Science, Engineering & Technology (LHL) | Linda Hall Library of Science, Engineering & Technology | (1936-1939), (1941-1947) |