Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "Group Index Numbers of Wholesale Prices in Foreign Countries," in Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "April 1923," Federal Reserve Bulletin (April 1923) : 88-88. https://fraser.stlouisfed.org/title/62/item/20547/toc/417376 , accessed on April 25, 2024.