Program: HathiTrust Digital Library
- Publisher: The Observatory
- Print ISSN:
- Electronic ISSN:
- OCLC Number: 11930896
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
no.1-44; no.45-76 1919-27; no.77-90 1928-33; no.91-100 1934-38; no.101-110 1939-50; no.111-120 1951-61; no.121-130 1962-1970; no.121-131 1962-71; no.131 1971
|
committed to retain | 2014-09-30 | HTDL |
|