Program: HathiTrust Digital Library
- Publisher: Optical Pub. Co.
- Print ISSN: 0030-395X
- Electronic ISSN:
- OCLC Number: 1320439
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
v.1 1967; v.2 1968; v.3 1969; v.4; v.5 1971; v.6 1972; v.7 1973; v.8 1974; v.9 1975; v.10 1976; v.11 1977; v.12 1978; v.12 no.1-6; v.12 no.7-12; v.13 1979; v.14 1980 Jan-Jun; v.14 1980 Jul-Dec; v.15 1981 Jan-June; v.15 1981 Jul-Dec
|
committed to retain | 2011-03-14 | HTDL |
|