Program: HathiTrust Digital Library
- Publisher: Esso Export Corporation
- Print ISSN:
- Electronic ISSN:
- OCLC Number: 42341855
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
v.9-12 1956-1960; v.13-16 1960-1964; v.17-20 1964-1968; v.21-22 1968-1970; v.23-24 1970-1972; v.25 1972-1973
|
committed to retain | 2012-06-21 | HTDL |
|