Program: HathiTrust Digital Library
- Publisher: [National Research Council]
- Print ISSN:
- Electronic ISSN:
- OCLC Number: 6136891
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
1940; v.12; v.2(1923); no.90
|
committed to retain | 2019-01-01 | HTDL |
|