Visual information on problems of the wage earner : a guide to exhibits, motion pictures, slides, posters and charts available from the United States Department of Labor
Visual information on problems of the wage earner : a guide to exhibits, motion pictures, slides, posters and charts available from the United States Department of Labor / United States Department of Labor, Division of Labor Standards.
Published
Washington : U.S. G.P.O. : For sale by the Supt. of Docs., 1941.