01487oam 2200505 450 991071183830332120190208155306.0(CKB)5470000002487700(OCoLC)776800715(OCoLC)786273307(OCoLC)1029949923(EXLCZ)99547000000248770020120213d1933 ua 0engurbn|||||||||txtrdacontentcrdamediacrrdacarrierA study of a change from 8 to 6 hours of work /by Ethel L. Best[Washington, D.C.] :United States Department of Labor, Women's Bureau.Washington :United States Government Printing Office,1933.1 online resource (iv, 14 pages)Bulletin of the Women's Bureau ;no. 105Hours of laborFatigueFatiguefastHours of laborfastHours of labor.Fatigue.Fatigue.Hours of labor.Best Ethel L(Ethel Lombard),1389982United States.Women's Bureau,OCLCEOCLCEOCLCQOCLCFOCLCOOCLCQHMMOCLCQZ5AGPOBOOK9910711838303321A study of a change from 8 to 6 hours of work3543142UNINA