United States. Bureau of Labor Statistics. "Wages and Hours of Labor in the Iron and Steel Industry, 1931 : Bulletin of the United States Bureau of Labor Statistics, No. 567,"
Wages and Hours of Labor in the Iron and Steel Industry in the United States
(1933).
https://fraser.stlouisfed.org/title/3923/item/493174, accessed on April 2, 2025.
@FedFRASER