Program: HathiTrust Digital Library
- Publisher: National Research Council of the National Academy of Sciences
- Print ISSN: 0073-7623
- Electronic ISSN:
- OCLC Number: 1608378
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
1920-21; 1927; 1931; 1933; 1938; 1940; 1946; 1950; 1950 (9); 1956; 1960; 11th ed.
|
committed to retain | 2023-01-01 | HTDL |
|