United States. Children's Bureau , West, Mary Mills, 1868- and McGill, Nettie Pauline. Child-Welfare Programs : Study Outlines for the Use of Clubs and Classes, Children's Year Follow-up Series No. 7, Bureau Publication No. 73 , Washington, D.C: Government Printing Office, 1920, https://fraser.stlouisfed.org/title/8361, accessed on January 8, 2026.