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-. "January 21, 1981," H.15 Selected Interest Rates (1981-01-21) : 1-1. https://fraser.stlouisfed.org/title/86/item/67350/toc/463061 , accessed on May 21, 2024.