Program: HathiTrust Digital Library
- Publisher: Unesco
- Print ISSN: 0501-3518
- Electronic ISSN:
- OCLC Number: 2155484
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
Materials | Archive Action | Date of Action | Program | Status/Note |
---|---|---|---|---|
1950; 1953; 1955; 3rd. ed (1955); 1957; 1960; 1964; 1965 1965; 1968; 1972 1972; 1978
|
committed to retain | 2021-11-12 | HTDL |
|