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-. "May 26, 1981," H.15 Selected Interest Rates (1981-05-26) : 1-1. https://fraser.stlouisfed.org/title/86/item/67180/toc/463092 , accessed on May 1, 2024.