Program: HathiTrust Digital Library
- Publisher: Observatorii︠a︡
- Print ISSN:
- Electronic ISSN:
- OCLC Number: 3761472
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
no.1-100 1932-1939; no.1-100 1932-1940; no.201-250 1947-1952; no.251-300 1952-1959; no.301-322 1959-1963; no.329-350 1964-1968
|
committed to retain | 2017-05-30 | HTDL |
|