Clark, Lindley D. (Lindley Daniel), 1862-1951 and United States. Bureau of Labor Statistics. Labor Laws of the United States with Decisions of Courts Relating Thereto : Bulletin of the United States Bureau of Labor Statistics, No. 370 , Washington, D.C: G.P.O., May 1925, https://fraser.stlouisfed.org/title/4004, accessed on October 11, 2024.