Program: HathiTrust Digital Library
- Publisher: Observatory?
- Print ISSN:
- Electronic ISSN:
- OCLC Number: 12985948
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
1835/36-1863/64; 1865/1879; 1849-1886; 1880/1896; 1897-1915; 1914/15-1939/40; 1942,1952-1958; 1961/1962
|
committed to retain | 2022-06-28 | HTDL |
|