Program: HathiTrust Digital Library
- Publisher: National Science Foundation
- Print ISSN:
- Electronic ISSN:
- OCLC Number: 7150987
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
1957-1961; 1962-1971; 1973-1974; 1977; 1979
|
committed to retain | 2013-05-01 | HTDL |
|