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. "April 1936," Federal Reserve Bulletin (April 1936) : 86-86. https://fraser.stlouisfed.org/title/62/item/20629/toc/173481 , accessed on May 4, 2024.