Proceedings of Conference on day care of children of working mothers, with special reference to defense areas, held in Washington, D. C., July 31 and August 1, 1941 ...
- Washington, U.S. Govt. print. off., 1942.
- v, 84 p.
At head of title: United States Dept. of labor, Frances Perkins, secretary. Children's bureau, Katharine F. Lenroot, chief.