Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "Average Monthly Wholesale Prices of Commodities," in Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "May 1922," Federal Reserve Bulletin (May 1922) : 88-89. https://fraser.stlouisfed.org/title/62/item/20537/toc/103914 , accessed on April 19, 2024.