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 1921," Federal Reserve Bulletin (January 1921) : 12-12. https://fraser.stlouisfed.org/title/62/item/20609/toc/250353 , accessed on April 22, 2024.