Program: HathiTrust Digital Library
- Publisher: Warner and Swasey Observatory
- Print ISSN: 2375-8635
- Electronic ISSN: 2375-8635
- OCLC Number: 11996742
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
no.1-50 1934-52; no.51-100 1953-60; no.101-130 1960-64; no.131-150 1960-66; no.151-200 1966-70; no.201-250 1970-74; no.251-300 1974-79
|
committed to retain | 2011-01-22 | HTDL |
|