Program: HathiTrust Digital Library
- Publisher: The Observatory
- Print ISSN:
- Electronic ISSN:
- OCLC Number: 5152922
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
v.1-2; v.2; v.3-4; v.3-4 1959-1963; v.5-6; v.5-6 1965-1968; v.5-7 1965-1970; v.7:1; v.7:2; v.7 1969-1970; v.8:1; v.8no.2 1972; v.8-9 1971-1974; v.9-10 1973-1976; v.11-13 1977-1979; v.10-14 1975-1980; v.12:2; v.13-18; v.13-15; v.14-v.15no.2 1980-1981; v.16-18; v.16-19 1982-1986; v.15-20 1981-1987; v.19-20; v.20:1-2; v.20 1987
|
committed to retain | 2017-02-16 | HTDL |
|