United States. Bureau of Labor Statistics , Clark, Lindley D. (Lindley Daniel), 1862-1951 , Callahan, Daniel F. (Daniel Francis) and Sharkey, Charles F., 1894-. "Labor Legislation of 1916 : Bulletin of the United States Bureau of Labor Statistics, No. 213," Labor Legislation of 1912-32 (June 1917). https://fraser.stlouisfed.org/title/3905/item/476853, accessed on December 20, 2024.