Program: HathiTrust Digital Library
- Publisher: DeGolyer and MacNaughton
- Print ISSN: 1048-4825
- Electronic ISSN:
- OCLC Number: 7404652
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
1947; 1950; 1984-85; 1986-87; 1988-89; 1990
|
committed to retain | 2013-05-03 | HTDL |
|