Board of Governors of the Federal Reserve System (U.S.), 1935-. "Footnotes," in Board of Governors of the Federal Reserve System (U.S.), 1935-. "February 11, 1991," H.15 Selected Interest Rates (1991-02-11) : 2-2. https://fraser.stlouisfed.org/title/86/item/67546/toc/464175 , accessed on April 19, 2024.