United States. Children's Bureau. Federal and State Cooperation in Maternal and Child-Welfare Services Under the Social Security Act : Title V, Parts 1, 2, and 3, Maternal and Child-Health Services, Services for Crippled Children, Child-Welfare Services, Maternal and Child-Welfare Bulletin No. 2, Bureau Publication No. 254 , Washington, D.C: Government Printing Office, 1938, https://fraser.stlouisfed.org/title/8528, accessed on January 6, 2026.