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