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. "October 1951," Federal Reserve Bulletin (October 1951) : 81-81. https://fraser.stlouisfed.org/title/62/item/21202/toc/415415 , accessed on April 18, 2024.