Program: HathiTrust Digital Library
- Publisher: Traffic Institute, Northwestern University
- Print ISSN:
- Electronic ISSN:
- OCLC Number: 10969959
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
1948; 1950-1952; v.2 no.2; v.2 no.3; v.2 no.4; v.3 no.1; v.3 no.2; v.3 no.3; v.5-6 1951-1953
|
committed to retain | 2019-09-02 | HTDL |
|