Program: HathiTrust Digital Library
- Publisher: National Academy of Sciences, National Research Council
- Print ISSN:
- Electronic ISSN:
- OCLC Number: 4024210
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
15th 1946; 16th 1947; 17th 1948; 18th 1949; 19th 1950; 20th 1951; 21st 1952; 22nd 1953; 23rd 1954; 24th 1955; 25th 1956; 26th 1957; 27th 1958; 28th 1959; 29th 1960; 30th 1961; 31st 1962; 32rd 1963; 33rd 1964; 34th 1965
|
committed to retain | 2011-03-14 | HTDL |
|