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. "December 1940," Federal Reserve Bulletin (December 1940) : 95-95. https://fraser.stlouisfed.org/title/62/item/21032/toc/399569 , accessed on May 5, 2024.