General findings and recommendations
by Bernard Flexner, Reuben Oppenheimer, and Katharine F. Lenroot
(Bureau publication / U.S. Department of Labor, Children's Bureau, no. 193 . The child,
Govt. Print. Office, 1929
At head of title: U.S. Department of Labor, Children's Bureau
Bibliography: p. [68]-86
U.S. Department of Labor, Children's Bureau
Government Printing Office