Program: HathiTrust Digital Library
- Publisher: Bertelsmann
- Print ISSN: 0074-9842
- Electronic ISSN: 0074-9842
- OCLC Number: 123997209
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
v.1 1961; v.2 1962; v.3 1963
|
committed to retain | 2022-07-25 | HTDL |
|