Program: HathiTrust Digital Library
- Publisher: Zeiss Ikon A.G.
- Print ISSN:
- Electronic ISSN:
- OCLC Number: 1762310
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
v.1-3 1935-42; v.5-6 1952/53-1954/55; v.7-8 1956/57-1959/61
|
committed to retain | 2010-12-01 | HTDL |
|