Program: HathiTrust Digital Library
- Publisher: Processors & Growers Research Organisation
- Print ISSN: 0308-2490
- Electronic ISSN:
- OCLC Number: 1064856152
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
1972-77; 1978-85; 1986-95; 1996-2005
|
committed to retain | 2011-04-11 | HTDL |
|