United States. Children's Bureau. Proceedings of the Conference on Juvenile-Court Standards : Held under the Auspices of the U.S. Children's Bureau and the National Probation Association, Milwaukee, Wisconsin, June 21-22, 1921, Bureau Publication No. 97 , Washington, D.C: Government Printing Office, 1922, https://fraser.stlouisfed.org/title/8379, accessed on December 30, 2024.