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. "October 1953," Federal Reserve Bulletin (October 1953) : 66-66. https://fraser.stlouisfed.org/title/62/item/21226/toc/65826 , accessed on May 4, 2024.