Billups, Robert S. (Robert Strother) and Jones, Philip L., 1875-. Labor Conditions in the Shoe Industry in Massachusetts, 1920-1924 : Bulletin of the United States Bureau of Labor Statistics, No. 384 , Washington, D.C: G.P.O., March 1925, https://fraser.stlouisfed.org/title/4012, accessed on October 8, 2024.