Billups, Robert S. (Robert Strother) , Jones, Philip L., 1875- and United States. Bureau of Labor Statistics. Conditions in the Shoe Industry in Haverhill, Mass., 1928 : Bulletin of the United States Bureau of Labor Statistics, No. 483 , Washington, D.C: G.P.O., January 1929, https://fraser.stlouisfed.org/title/4061, accessed on September 14, 2024.