Bloch, Joseph W. (Joseph Walter) , Gresham, Mary Estelle and United States. Bureau of Labor Statistics. Division of Industrial Relations. Labor Aspects of the Chicago Milk Industry : Bulletin of the United States Bureau of Labor Statistics, No. 715 , Washington, D.C: G.P.O., 1942, https://fraser.stlouisfed.org/title/4213, accessed on February 16, 2025.