Program: HathiTrust Digital Library
- Publisher: F. E. Compton Co.
- Print ISSN: 0069-8091
- Electronic ISSN:
- OCLC Number: 2941497
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
1968; 1972; 1974; 1976
|
committed to retain | 2017-02-16 | HTDL |
|