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. "January 1957," Federal Reserve Bulletin (January 1957) : 105-105. https://fraser.stlouisfed.org/title/62/item/21265/toc/82098 , accessed on April 18, 2024.