Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "London Quotations of Exchange Rates," in Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "September 1920," Federal Reserve Bulletin (September 1920) : 9-9. https://fraser.stlouisfed.org/title/62/item/20605/toc/366420 , accessed on May 9, 2024.