Marquardt, Philomena and United States. Bureau of Labor Statistics. Union Agreements in the Petroleum-Refining Industry in Effect in 1944 : Bulletin of the United States Bureau of Labor Statistics, No. 823 , Washington, D.C: U.S. Govt. Print. Off., 1945, https://fraser.stlouisfed.org/title/4296, accessed on November 14, 2024.