United States. Children's Bureau
, Thompson, Laura A. (Laura Amelia), 1877-1949
and United States. Department of Labor. Library.
References on Child Labor and Minors in Industry : 1916-1924, Bureau Publication No. 147 ,
Washington, D.C:
Government Printing Office,
1925, https://fraser.stlouisfed.org/title/8427,
accessed on January 5, 2026.