Program: HathiTrust Digital Library
- Publisher: The Observatory
- Print ISSN:
- Electronic ISSN:
- OCLC Number: 10615272
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
no.5-7 1987-1989; no.9-11 1991; no.13-15 1993-1994; no.17 1996; no.18-19 1998-2000
|
committed to retain | 2017-11-07 | HTDL |
|