Program: HathiTrust Digital Library
- Publisher: David Dunlap Observatory, University of Toronto
- Print ISSN: 0070-2919
- Electronic ISSN:
- OCLC Number: 3227418
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
no.1-50 contents; no.1-44 1938-59; no.1-79 1938-1963; no.45-150; no.80-150 1962-1967; no.151-200 1966-68; no.201-250 2968-70; no.251-300 1970-71; no.301-350; no.351-400 1972-74; no.351-400 1973-1974; no.401-450 1973-75
|
committed to retain | 2018-01-19 | HTDL |
|