Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "Foreign Exchange Rates of Countries Included in Computation of Index," in Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "May 1922," Federal Reserve Bulletin (May 1922) : 139-139. https://fraser.stlouisfed.org/title/62/item/20537/toc/103861 , accessed on April 17, 2024.