Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "Wholesale Prices - Groups of Commodities," in Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "May 1951," Federal Reserve Bulletin (May 1951) : 127-127. https://fraser.stlouisfed.org/title/62/item/21197/toc/288110 , accessed on April 19, 2024.