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. "December 1935," Federal Reserve Bulletin (December 1935) : 32-32. https://fraser.stlouisfed.org/title/62/item/20625/toc/168623 , accessed on April 18, 2024.