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. "November 1944," Federal Reserve Bulletin (November 1944) : 85-85. https://fraser.stlouisfed.org/title/62/item/21119/toc/211134 , accessed on March 28, 2024.