Program: HathiTrust Digital Library
- Publisher: For sale by the Supt. of Docs., U.S. G.P.O.
- Print ISSN: 0475-6126
- Electronic ISSN:
- OCLC Number: 177519266
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
1951/52-1956/57; 1965/66-1968/69
|
committed to retain | 2017-12-25 | HTDL |
|