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. "November 1950," Federal Reserve Bulletin (November 1950) : 100-100. https://fraser.stlouisfed.org/title/62/item/21191/toc/97040 , accessed on April 19, 2024.