Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "Freight-Car Loadings, by Classes," in Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "July 1945," Federal Reserve Bulletin (July 1945) : 60-60. https://fraser.stlouisfed.org/title/62/item/21127/toc/141179 , accessed on April 25, 2024.