Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "Open-Market Rates in Foreign Countries, by Months," in Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "1931," Annual Report of the Board of Governors of the Federal Reserve System (1931) : 89-89. https://fraser.stlouisfed.org/title/117/item/2489/toc/306360 , accessed on June 9, 2023.