Board of Governors of the Federal Reserve System (U.S.), 1935-. "Footnotes," in Board of Governors of the Federal Reserve System (U.S.), 1935-. "December 23, 1991," H.15 Selected Interest Rates (December 23, 1991) : 2-2. https://fraser.stlouisfed.org/title/86/item/67327/toc/464277 , accessed on May 2, 2024.