00765cam a22002171 4500001001300000003000400013005001700017008004100034010001700075035002000092040001800112050002500130100003600155245007300191260004800264300002200312440005400334500012600388650002000514650001300534l 33000070 DLC20260227111534.0931013s1933 dcu f000 0 eng  al 33000070  a(OCoLC)29006592 aDLCcOrUdDLC00aHD6093b.A35 no. 1051 aBest, Ethel L.q(Ethel Lombard)12aA study of a change from 8 to 6 hours of work,cby Ethel L. Best ... aWashington,bU.S. Govt. print. off.,c1933. aiv, 14 p.c23 cm. 0aBulletin (United States. Women's Bureau)vno. 105 aAt head of title: United States Department of labor. Frances Perkins, secretary. Women's bureau. Mary Anderson, director. 0aHours of labor. 0aFatigue.