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. "August 1953," Federal Reserve Bulletin (August 1953) : 87-87. https://fraser.stlouisfed.org/title/62/item/21224/toc/348827 , accessed on April 23, 2024.