Program: HathiTrust Digital Library
- Publisher: U.S. Directory Service
- Print ISSN: 0091-8393
- Electronic ISSN:
- OCLC Number: 1799972
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
1975; 1980; 1983; 1986; 1989; 8th, 1989
|
committed to retain | 2009-11-13 | HTDL |
|