United States. Women's Bureau. Proceedings of the Women's Industrial Conference: Called by the Women's Bureau of the United States Department of Labor, Washington, D.C., January 11, 12, and 13, 1923 : Women's Bureau Bulletin, No. 33 , Washington: Govt. Print. Off., 1923, https://fraser.stlouisfed.org/title/5356, accessed on January 20, 2025.