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. "August 1919," Federal Reserve Bulletin (August 1919) : 54-55. https://fraser.stlouisfed.org/title/62/item/20592/toc/61292 , accessed on April 24, 2024.