Program: HathiTrust Digital Library
- Publisher: Astro-Research Bureau
- Print ISSN:
- Electronic ISSN:
- OCLC Number: 2937284
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
1977; 1990; 1991/1992; 1993-1996; 1997/1998; 1999; 2001; 2002/2003; 2004-2006
|
committed to retain | 2018-08-28 | HTDL |
|