Program: HathiTrust Digital Library
- Publisher: Smithsonian Astrophysical Observatory
- Print ISSN: 0081-0304
- Electronic ISSN:
- OCLC Number: 1078311
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
no.4099-4291; no.4292-4521; no.4697-5151; no.6142-6299; no.6300-6499; no.6500-6679; no.6680-6899; no.6900-7100; no.7161-7330
|
committed to retain | 2017-05-25 | HTDL |
|