ENR directory of contractors.
- Publisher: Engineering news-record
- Print ISSN: 0098-6453
- Electronic ISSN:
- OCLC Number: 2166776
- Subject: Contractors United States Directories.
- Subject code: T
- Publication history: 1974/75-1989/90.
Print Holdings
| Archiving Institution | Program | Holdings Description | Retention |
|---|---|---|---|
| HathiTrust (HATHI) | HTDL | 1976/1977; 1979-1980; 1983-84; 1983/1984 | permanent |