United States. Bureau of Labor Statistics. "Wages and Hours of Labor in the Iron and Steel Industry, 1907 to 1922 : Bulletin of the United States Bureau of Labor Statistics, No. 353,"
Wages and Hours of Labor in the Iron and Steel Industry in the United States
(April 1924).
https://fraser.stlouisfed.org/title/3923/item/493010, accessed on March 2, 2025.
@FedFRASER