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. "March 1938," Federal Reserve Bulletin (March 1938) : 53-53. https://fraser.stlouisfed.org/title/62/item/20999/toc/338164 , accessed on April 25, 2024.