Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "Revenues, Expenses, and Income of Class I Railroads," in Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "February 1944," Federal Reserve Bulletin (February 1944) : 71-71. https://fraser.stlouisfed.org/title/62/item/21066/toc/270172 , accessed on April 19, 2024.