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 1920 : Bulletin of the United States Bureau of Labor Statistics, No. 292,"
Labor Legislation of 1912-32
(December 1921).
https://fraser.stlouisfed.org/title/3905/item/476857, accessed on March 22, 2025.