01049cam a22002771 4500 l 42000091 DLC 20260227111538.0 841204s1941 dcua f000 0 eng c l 42000091 (OCoLC)11450976 U.S. Dept. of labor. Libr. NAlA-M DLC premarc RA609 .U6 1939 362.70973 United States. Children's Bureau. Maternal and child-health services under the Social security act, title V, Part 1; development of program, 1936-39 ... [Washington, U.S. Govt. Print. Off., 1941] vi, 109 p. incl. tables, diagrs. 23 cm. Its Bureau publication, no. 259 At head of title: United States Dept. of labor, Frances Perkins, secretary. Children's bureau, Katharine F. Lenroot, chief. Child care. Mothers. Infants Care and hygiene. United States. Children's Bureau. Bureau publication, no. 259. 36381 36381