Baril, Victor S. , Jones, Frances M. (Frances Mary) and United States. Bureau of Labor Statistics. Wages, Hours, and Working Conditions in the Folding-Paper-Box Industry: 1933, 1934, and 1935 : Bulletin of the United States Bureau of Labor Statistics, No. 620 , Washington, D.C: U.S. G.P.O., August 1936, https://fraser.stlouisfed.org/title/4140, accessed on February 11, 2025.