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 1928," Federal Reserve Bulletin (January 1928) : 60-66. https://fraser.stlouisfed.org/title/62/item/20673/toc/138077 , accessed on May 13, 2024.