Annual report of the director, Hale Observatories / Carnegie Institution, California Institute of Technology.
- Publisher: Carnegie Institution, California Institute of Technology
- Print ISSN: 1057-4387
- Electronic ISSN:
- OCLC Number: 3812112
- Subject: Astronomy Observations Periodicals.
- Subject code: QB
- Publication history:
Print Holdings
| Archiving Institution | Program | Holdings Description | Retention |
|---|---|---|---|
| HathiTrust (HATHI) | HTDL | 1959/60-1966/67; 1969-80 (lacks 1972/73); 1967/68-1975/76 | permanent |