Program: HathiTrust Digital Library
- Publisher: Directories Publishing Company, Inc.
- Print ISSN: 0094-6567
- Electronic ISSN:
- OCLC Number: 1026936
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
1975 (16); 1976; 1976 (17); 1977; 1988; 1992; 1995; 2000-2002; 2004
|
committed to retain | 2022-09-28 | HTDL |
|