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. "July 1946," Federal Reserve Bulletin (July 1946) : 94-94. https://fraser.stlouisfed.org/title/62/item/21139/toc/58363 , accessed on June 27, 2024.