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-. "November 20, 1989," H.15 Selected Interest Rates (1989-11-20) : 2-2. https://fraser.stlouisfed.org/title/86/item/67688/toc/464062 , accessed on March 29, 2024.