United States. Bureau of Labor Statistics. "Wages and Hours of Labor in the Boot and Shoe Industry, 1907 to 1916 : Bulletin of the United States Bureau of Labor Statistics, No. 232,"
Wages and Hours of Labor in the Boot and Shoe and Hosiery and Underwear Industries
(May 1918).
https://fraser.stlouisfed.org/title/3916/item/476879, accessed on December 21, 2024.