Program: HathiTrust Digital Library
- Publisher: U.S. G.P.O. : [Supt. of Docs., U.S. G.P.O., distributor
- Print ISSN: 0162-5888
- Electronic ISSN:
- OCLC Number: 2669346
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
1948; 1949 pt.1; 1949 pt.2; 1950-1952; 1954-1956; 1949-57; 1957-1961; 1959-67; 1965-75 inc.; 1977-1979; 1981-1985; 1989; 1992-1995
|
committed to retain | 2011-09-03 | HTDL |
|