Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "Wholesale Prices, by Groups of Commodities," in Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "August 1931," Federal Reserve Bulletin (August 1931) : 21-21. https://fraser.stlouisfed.org/title/62/item/20715/toc/334509 , accessed on June 24, 2024.