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. "May 1946," Federal Reserve Bulletin (May 1946) : 74-74. https://fraser.stlouisfed.org/title/62/item/21137/toc/4766 , accessed on March 29, 2024.