Contractors register.
- Publisher: Sub-Contractors Register
- Print ISSN: 0573-8393
- Electronic ISSN: 0573-8393
- OCLC Number: 3511529
- Subject: Contractors Washington Metropolitan Area Directories.
- Subject code: T
- Publication history: 1966-1971.
Print Holdings
| Archiving Institution | Program | Holdings Description | Retention |
|---|---|---|---|
| HathiTrust (HATHI) | HTDL | 1967 | permanent |