Program: HathiTrust Digital Library
- Publisher: The Observatory
- Print ISSN:
- Electronic ISSN:
- OCLC Number: 10867748
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
1878-85; 1887-92; 1893/1894; 1894-97; 1898-1900, 1902, 1904; 1888-1920; 1921-31
|
committed to retain | 2023-01-01 | HTDL |
|