United States. Bureau of Labor Statistics. "Wages and Hours of Labor in the Iron and Steel Industry, 1907 to 1926 : Bulletin of the United States Bureau of Labor Statistics, No. 442,"
Wages and Hours of Labor in the Iron and Steel Industry in the United States
(1927).
https://fraser.stlouisfed.org/title/3923/item/493172, accessed on March 12, 2025.
@FedFRASER