Program: HathiTrust Digital Library
- Publisher: Academy of Natural Sciences of Philadelphia
- Print ISSN: 0016-2159
- Electronic ISSN:
- OCLC Number: 1570267
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
v.1-2 Oct. 1936-June 1938; v.3-4 Oct. 1938-June 1940; v.5-6 Oct. 1940-June 1942; v.7-8 Oct. 1942-June 1944; v.9-10; v.11-12 Oct. 1946-June 1948; v.12-13 1947-1949; v.14-15 1949-1951; v.16-17 1951-1953; v.26-27 1961-1963; index 1-10 Oct. 1944-June 1946
|
committed to retain | 2022-01-18 | HTDL |
|