Board of Governors of the Federal Reserve System (U.S.), 1935-. "Selected Interest Rates (Weeks Ending Wednesdays)," in Board of Governors of the Federal Reserve System (U.S.), 1935-. "January 9, 1989," H.15 Selected Interest Rates (1989-01-09) : 2-2. https://fraser.stlouisfed.org/title/86/item/67702/toc/463949 , accessed on April 19, 2024.