Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "Foreign Exchange Rates," in Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "April 1956," Federal Reserve Bulletin (April 1956) : 98-98. https://fraser.stlouisfed.org/title/62/item/21256/toc/164076 , accessed on April 25, 2024.