United States. Children's Bureau.
The Promotion of the Welfare and Hygiene of Maternity and Infancy : The Administration of the Act of Congress of November 23, 1921, Fiscal Year Ended June 30, 1925, Bureau Publication No. 156 ,
Washington, D.C:
Government Printing Office,
1926, https://fraser.stlouisfed.org/title/8436,
accessed on April 10, 2026.