United States. Children's Bureau. "Illegitimacy as a Child-Welfare Problem : Part 2, A Study of Original Records in the City of Boston and in the State of Massachusetts, Dependent, Defective, and Delinquent Classes Series No. 10, Bureau Publication No. 75," Illegitimacy as a Child-Welfare Problem (1921). https://fraser.stlouisfed.org/title/8354/item/656559, accessed on September 14, 2024.