Board of Governors of the Federal Reserve System (U.S.), 1935-. "Footnotes," in Board of Governors of the Federal Reserve System (U.S.), 1935-. "September 3, 1991," H.15 Selected Interest Rates (1991-09-03) : 2-2. https://fraser.stlouisfed.org/title/86/item/67268/toc/464244 , accessed on May 4, 2024.