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-. "September 11, 1989," H.15 Selected Interest Rates (1989-09-11) : 2-2. https://fraser.stlouisfed.org/title/86/item/67118/toc/464039 , accessed on March 28, 2024.