Program: HathiTrust Digital Library
- Publisher: Educators Progress Service
- Print ISSN: 0070-9980
- Electronic ISSN:
- OCLC Number: 5164217
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
1963 1963; 1970-1971; 1974; 1988; 1994; 1997
|
committed to retain | 2022-01-18 | HTDL |
|