A physiological basis for the shorter working day for women,
by Dr. George W. Webster ... February, 1921.
- Washington, Govt. print. off., 1921.
- 20 p. 23 cm.
- Bulletin (United States. Women's Bureau) no. 14 .
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.