United States. Children's Bureau
and United States. Children's Bureau. Conference on Child Welfare Standards.
Minimum Standards for Child Welfare : Adopted by the Washington and Regional Conferences on Child Welfare, 1919, Conference Series No. 2, Bureau Publication No. 62 ,
Washington, D.C:
Government Printing Office,
1919, https://fraser.stlouisfed.org/title/8350,
accessed on January 6, 2026.