Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "Shipments of Grain and Flour at 14 Interior Centers," in Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "October 1921," Federal Reserve Bulletin (October 1921) : 68-68. https://fraser.stlouisfed.org/title/62/item/20528/toc/349050 , accessed on April 23, 2024.