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 15, 1989," H.15 Selected Interest Rates (1989-05-15) : 1-1. https://fraser.stlouisfed.org/title/86/item/67700/toc/463993 , accessed on March 29, 2024.