A study of a change from 8 to 6 hours of work,
Best, Ethel L.
A study of a change from 8 to 6 hours of work, by Ethel L. Best ... - Washington, U.S. Govt. print. off., 1933. - iv, 14 p. 23 cm. - Bulletin (United States. Women's Bureau) no. 105 .
At head of title: United States Department of labor. Frances Perkins, secretary. Women's bureau. Mary Anderson, director.
l 33000070
Hours of labor.
Fatigue.
HD6093 / .A35 no. 105
A study of a change from 8 to 6 hours of work, by Ethel L. Best ... - Washington, U.S. Govt. print. off., 1933. - iv, 14 p. 23 cm. - Bulletin (United States. Women's Bureau) no. 105 .
At head of title: United States Department of labor. Frances Perkins, secretary. Women's bureau. Mary Anderson, director.
l 33000070
Hours of labor.
Fatigue.
HD6093 / .A35 no. 105