A social study of mental defectives in New Castle County, Delaware
by Emma O. Lundberg
(Dependent, defective, and delinquent classes series, no. 3)(Bureau publication / U.S. Department of Labor, Children's Bureau, no. 24)
G.P.O., 1917
At head of title: U.S. Department of Labor, Children's Bureau
"This study was made under the direction of Miss Emma O. Lundberg, who prepared the report with the assistance of Miss Katharine F. Lenroot"--P. 5
Arno Press , Government Printing Office
U.S. Department of Labor, Children's Bureau
Government Printing Office