Program: HathiTrust Digital Library
- Publisher: Sulphur Institute
- Print ISSN: 0039-4904
- Electronic ISSN:
- OCLC Number: 213512005
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
v.1-7 1965-71; v.8-12 1972-76
|
committed to retain | 2014-11-11 | HTDL |
|