Extent: | v, 64 p 23 cm |
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Series: | Bulletin ; no. 7 |
Type of publication: | Book / Working Paper |
Language: | English |
Notes: | At head of title: United States Department of Labor. Frances Perkins, secretary. Division of Labor Standards. Verne A. Zimmer, director |
Source: | ECONIS - Online Catalogue of the ZBW |
Persistent link: https://www.econbiz.de/10001549251