United States. Children's Bureau and Lundberg, Emma O. (Emma Octavia), 1881-1954. Dependent and Delinquent Children in North Dakota and South Dakota : A Study of the Prevalence, Treatment, and Prevention of Child Dependency and Delinquency in Two Rural States, Bureau Publication No. 160 , Washington, D.C: Government Printing Office, 1926, https://fraser.stlouisfed.org/title/8440, accessed on March 25, 2026.