Program: HathiTrust Digital Library
- Publisher: National Science Foundation
- Print ISSN:
- Electronic ISSN:
- OCLC Number: 5297919
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
v.2:1952; 4th 1954; 7th 1958; 8th 1959
|
committed to retain | 2020-09-29 | HTDL |
|