Peterson, Florence, 1894- and United States. Bureau of Labor Statistics. Wages, Hours, and Working Conditions in Union Bakeries, June 1, 1939 : Bulletin of the United States Bureau of Labor Statistics, No. 673 , Washington, D.C: U.S. G.P.O., 1940, https://fraser.stlouisfed.org/title/4179, accessed on February 13, 2025.