Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "Average Wholesale Prices of Commodities for each Month," in Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "October 1918," Federal Reserve Bulletin (October 1918) : 95-99. https://fraser.stlouisfed.org/title/62/item/21111/toc/305290 , accessed on March 28, 2024.