Program: HathiTrust Digital Library
- Publisher: The Indexing Center, Micro Photo Division, Bell & Howell Company
- Print ISSN: 0195-6353
- Electronic ISSN:
- OCLC Number: 6233911
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
1981
|
committed to retain | 2014-10-02 | HTDL |
|