United States. Bureau of Labor Statistics. "Wages and Hours of Labor in the Boot and Shoe Industry, 1907 to 1914 : Bulletin of the United States Bureau of Labor Statistics, No. 178,"
Wages and Hours of Labor in the Boot and Shoe and Hosiery and Underwear Industries
(August 1915).
https://fraser.stlouisfed.org/title/3916/item/476878, accessed on December 21, 2024.