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-. "July 20, 1987," H.15 Selected Interest Rates (1987-07-20) : 2-2. https://fraser.stlouisfed.org/title/86/item/67916/toc/463743 , accessed on April 19, 2024.