United States. Bureau of Labor Statistics. "Wages and Hours of Labor in the Boot and Shoe Industry, 1910 to 1930 : Bulletin of the United States Bureau of Labor Statistics, No. 551,"
Wages and Hours of Labor in the Boot and Shoe and Hosiery and Underwear Industries
(1932).
https://fraser.stlouisfed.org/title/3916/item/493165, accessed on March 26, 2025.
@FedFRASER