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 1921 : Bulletin of the United States Bureau of Labor Statistics, No. 308,"
Labor Legislation of 1912-32
(July 1922).
https://fraser.stlouisfed.org/title/3905/item/492990, accessed on March 22, 2025.