Program: HathiTrust Digital Library
- Publisher: Industrial Research Unit, Wharton School, University of Pennsylvania; distributed by University of Pennsylvania Press
- Print ISSN: 0075-7470
- Electronic ISSN:
- OCLC Number: 8411827
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
v.23
|
committed to retain | 2009-12-05 | HTDL |
|