Program: HathiTrust Digital Library
- Publisher: [The Observatory?]
- Print ISSN: 1061-6853
- Electronic ISSN:
- OCLC Number: 13872792
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
Materials | Archive Action | Date of Action | Program | Status/Note |
---|---|---|---|---|
v.1 yr.1915; v.1 1915; c.1 v.1 1915; v.1 1916; v.2 1925; v.3 1935; v.4 1943; v.5 1943-1947; v.5 1948; v.6-7 1946-1958; v.6-7 1949-58
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committed to retain | 2021-01-01 | HTDL |
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