Program: HathiTrust Digital Library
- Publisher: J. Protzen
- Print ISSN: 0091-0449
- Electronic ISSN:
- OCLC Number: 1786305
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
v.6 1972; v.7 1973; v.8 1974; v.9 1975
|
committed to retain | 2012-06-23 | HTDL |
|