United States. Bureau of Labor Statistics. "Wages and Hours of Labor in the Iron and Steel Industry, 1907 to 1924 : Bulletin of the United States Bureau of Labor Statistics, No. 381,"
Wages and Hours of Labor in the Iron and Steel Industry in the United States
(May 1925).
https://fraser.stlouisfed.org/title/3923/item/493023, accessed on March 7, 2025.
@FedFRASER