Program: HathiTrust Digital Library
- Publisher:
- Print ISSN: 0071-5417
- Electronic ISSN:
- OCLC Number: 1342533
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
6th ed. (1918); 1941; 10th ed. 1948; 1962; 1973; 16th ed. 1986; 17th ed. 1991; 18th ed. 1997
|
committed to retain | 2013-10-25 | HTDL |
|