A physiological basis for the shorter working day for women - Webster, George Washington, 1857- (Washington, Govt. print. off., 1921)
At head of title: U.S. Department of labor. W.B. Wilson, secretary. Women's bureau. Mary Anderson, director.
Read before the Illinois Womens's legislative congress, December 28, 1920.
"Literature cited": p. 19-20.
Keywords: Hours of labor; Women -- Employment; Fatigue