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 1947," Federal Reserve Bulletin (February 1947) : 85-85. https://fraser.stlouisfed.org/title/62/item/21146/toc/5221 , accessed on May 8, 2024.