United States. Bureau of Labor Statistics. Discussions of Labor Laws and Their Administration: At the 1933 Convention of the Association of Governmental Officials in Industry of the United States and Canada. Chicago, Ill : Bulletin of the United States Bureau of Labor Statistics, No. 609 , Washington, D.C: U.S. G.P.O., July 1934, https://fraser.stlouisfed.org/title/4131, accessed on November 20, 2024.