Program: HathiTrust Digital Library
- Publisher: U.S. Dept. of Health, Education, and Welfare, Social Security Administration, Office of Research and Statistics :
- Print ISSN:
- Electronic ISSN:
- OCLC Number: 3639048
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
1975PT1; 1975PT3; 1975PT4; 1976; 1977PT2; 1979PT1; 1981-1982
|
committed to retain | 2019-03-17 | HTDL |
|