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 21, 1921, Fiscal Year Ended June 30, 1924, Bureau Publication No. 146 ,
Washington, D.C:
Government Printing Office,
1925, https://fraser.stlouisfed.org/title/8426,
accessed on February 9, 2026.