Program: HathiTrust Digital Library
- Publisher: Superintendent, Observatory
- Print ISSN:
- Electronic ISSN:
- OCLC Number: 1553825
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
v.1; v.1 1926-1929; v.2; v.2 1936; v.2 1937
|
committed to retain | 2012-06-09 | HTDL |
|