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. "December 1918," Federal Reserve Bulletin (December 1918) : 46-48. https://fraser.stlouisfed.org/title/62/item/20584/toc/380294 , accessed on March 19, 2024.