Program: HathiTrust Digital Library
- Publisher: Optical Pub. Co.
- Print ISSN: 0078-5474
- Electronic ISSN:
- OCLC Number: 5120167
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
17(1970-1971); 18(1971-1972); 19(1972-1973); 12-14 (Bd w/o 13)(1966-1967); 24(1978:1); 22(1976); 15(1968-1969); 20(1973-1974); 23(1977:1-2)
|
committed to retain | 2014-11-14 | HTDL |
|