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. "July 1919," Federal Reserve Bulletin (July 1919) : 59-60. https://fraser.stlouisfed.org/title/62/item/20591/toc/328855 , accessed on May 7, 2024.