Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "Wholesale Prices: Summary," in Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "March 1967," Federal Reserve Bulletin (March 1967) : 112-112. https://fraser.stlouisfed.org/title/62/item/21387/toc/347085 , accessed on April 26, 2024.