Six-hour Day -- Five-day Week: Hearings Before the Committee on Labor, House of Representatives, Seventy-second Congress, 2d Session on H.R. 14105, a Bill to Prevent Interstate Commerce in Certain Commodities and Articles Produced Or Manufactured in Industrial Activities in which Persons are Employed More Than Five Days Per Week Or Six Hours Per Day. January 18, 19, 20, 23, 24, 25, 26, 27, 30, 1933
United States. Congress. House. Committee on Labor
1933年1月 · U.S. Government Printing Office