Board of Governors of the Federal Reserve System (U.S.), 1935-. "Footnotes," in Board of Governors of the Federal Reserve System (U.S.), 1935-. "January 28, 1991," H.15 Selected Interest Rates (1991-01-28) : 2-2. https://fraser.stlouisfed.org/title/86/item/67910/toc/464171 , accessed on May 10, 2024.