Program: HathiTrust Digital Library
- Publisher: Opec
- Print ISSN: 0040-6155
- Electronic ISSN: 0040-6155
- OCLC Number: 1785346
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
v.2 1964; v.3 1965; v.6 no.10 1968; v.7 no.2-4 1969; v.7 no.8-9 1969; v.7 no.12 1969; v.8 no.2-6 1970; v.8 no.7-12 1970; v.9 no.1-6 1971; v.9 no.7-11 1971; v.10 no.1 1972; v.10 no.4 1972; v.11 no.3-9 1973; v.12 no.3-6 1974; v.12 no.8-11 1974; v.13 no.1-5 1975; v.13 no.7-12 1975; v.14 no.1-4 1976
|
committed to retain | 2017-11-20 | HTDL |
|