Clark, Lindley D. (Lindley Daniel), 1862-1951 and United States. Bureau of Labor Statistics. Comparison of Workmen's Compensation Laws of the United States as of January 1, 1925 : Bulletin of the United States Bureau of Labor Statistics, No. 379 , Washington, D.C: G.P.O., January 1925, https://fraser.stlouisfed.org/title/4008, accessed on September 7, 2024.