Board of Governors of the Federal Reserve System (U.S.), 1935-. "Selected Interest Rates," in Board of Governors of the Federal Reserve System (U.S.), 1935-. "September 9, 1991," H.15 Selected Interest Rates (1991-09-09) : 1-1. https://fraser.stlouisfed.org/title/86/item/67289/toc/464247 , accessed on April 24, 2024.