Directory of current research.
- Publisher:
- Print ISSN:
- Electronic ISSN:
- OCLC Number: 2275227
- Subject: Research, Industrial United States Directories.
- Subject code: T
- Publication history:
Print Holdings
| Archiving Institution | Program | Holdings Description | Retention |
|---|---|---|---|
| HathiTrust (HATHI) | HTDL | 1953/1954 | permanent |