United States. Children's Bureau
and United States. Council of National Defense. Field Division. Child Conservation Section.
Advising Children in Their Choice of Occupation and Supervising the Working Child, Children's Year Leaflet No. 10, Bureau Publication No. 53 ,
Washington, D.C:
Government Printing Office,
1919, https://fraser.stlouisfed.org/title/8341,
accessed on May 5, 2025.
@FedFRASER