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. "February 1934," Federal Reserve Bulletin (February 1934) : 50-50. https://fraser.stlouisfed.org/title/62/item/20646/toc/75792 , accessed on April 20, 2024.