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 1960," Federal Reserve Bulletin (May 1960) : 131-131. https://fraser.stlouisfed.org/title/62/item/21305/toc/399993 , accessed on May 9, 2024.