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. "May 1987," Federal Reserve Bulletin (May 1987) : 160-160. https://fraser.stlouisfed.org/title/62/item/20780/toc/66874 , accessed on July 13, 2024.