Board of Governors of the Federal Reserve System (U.S.), 1935-. "Footnotes," in Board of Governors of the Federal Reserve System (U.S.), 1935-. "July 15, 1991," H.15 Selected Interest Rates (1991-07-15) : 2-2. https://fraser.stlouisfed.org/title/86/item/67528/toc/464226 , accessed on April 19, 2024.