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 27, 1981," H.15 Selected Interest Rates (1981-04-27) : 1-1. https://fraser.stlouisfed.org/title/86/item/67499/toc/463079 , accessed on May 9, 2024.