Program: HathiTrust Digital Library
- Publisher: U.S. Dept. of Commerce, U.S. Travel Service
- Print ISSN: 0270-7985
- Electronic ISSN:
- OCLC Number: 6007682
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
1978; v.976(1976); v.977(1977); v.978(1978)
|
committed to retain | 2017-10-22 | HTDL |
|