Clark, Lindley D. (Lindley Daniel), 1862-1951 , Tracy, Stanley J. (Stanley James) and United States. Bureau of Labor Statistics. Laws Relating to Payment of Wages : Bulletin of the United States Bureau of Labor Statistics, No. 408 , Washington, D.C: G.P.O., June 1926, https://fraser.stlouisfed.org/title/4030, accessed on November 20, 2024.