Program: HathiTrust Digital Library
- Publisher: Mass-Observation Ltd.
- Print ISSN:
- Electronic ISSN:
- OCLC Number: 40294338
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
no.45-50 1952-1954; no.52; no.54 1957
|
committed to retain | 2009-07-14 | HTDL |
|