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. "February 1977," Federal Reserve Bulletin (February 1977) : 158-158. https://fraser.stlouisfed.org/title/62/item/20425/toc/283639 , accessed on April 23, 2024.