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 23, 1991," H.15 Selected Interest Rates (September 23, 1991) : 1-1. https://fraser.stlouisfed.org/title/86/item/67630/toc/464251 , accessed on May 2, 2024.