Program: HathiTrust Digital Library
- Publisher: U. S. Travel Data Center
- Print ISSN: 0160-4651
- Electronic ISSN:
- OCLC Number: 3394889
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
1978
|
committed to retain | 2017-02-22 | HTDL |
|