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. "April 1946," Federal Reserve Bulletin (April 1946) : 70-70. https://fraser.stlouisfed.org/title/62/item/21136/toc/66230 , accessed on July 11, 2024.