[Publication].
- Publisher: [1927?]-33
- Print ISSN:
- Electronic ISSN:
- OCLC Number: 213745115
- Subject: Industrial efficiency.
- Subject code: H
- Publication history: S.R. 1-34.
Print Holdings
| Archiving Institution | Program | Holdings Description | Retention |
|---|---|---|---|
| HathiTrust (HATHI) | HTDL | no.25; no.29 | permanent |