Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "Wholesale Prices, by Commodity Groups," in Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "December 1929," Federal Reserve Bulletin (December 1929) : 34-34. https://fraser.stlouisfed.org/title/62/item/20696/toc/341339 , accessed on May 1, 2024.