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-. "April 22, 1991," H.15 Selected Interest Rates (1991-04-22) : 1-1. https://fraser.stlouisfed.org/title/86/item/67816/toc/464198 , accessed on May 3, 2024.