Outline of state agencies administering labor laws United States Bureau of Labor Standards. creator Dahl, Mary B. (Mary Bartlett) text xx Washington U.S. Govt. print. off. 1941- 1941 9999 monographic eng
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1 v. 23 cm. At head of title: United States Dept. of labor, Frances Perkins, secretary. Division of labor standards, Verne A. Zimmer, director. "Prepared by Mary B. Dahl."--p. v. Loose-leaf. Labor bureaus United States HD4835.U4 A47 331.06173 Bulletin no. 49 United States. Bureau of Labor Standards. l 42000029 U.S. Dept. of labor. Libr. 780909 20260227111537.0 l 42000029