Program: HathiTrust Digital Library
- Publisher: [Derivation and Tabulation Associates]
- Print ISSN: 0271-213X
- Electronic ISSN: 0271-213X
- OCLC Number: 4635674
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
45th ed. Feb.1979; 46th ed. Aug.1979
|
committed to retain | 2014-11-04 | HTDL |
|