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 1942," Federal Reserve Bulletin (May 1942) : 101-101. https://fraser.stlouisfed.org/title/62/item/21045/toc/50444 , accessed on April 19, 2024.