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. "June 1953," Federal Reserve Bulletin (June 1953) : 73-73. https://fraser.stlouisfed.org/title/62/item/21222/toc/314874 , accessed on April 25, 2024.