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-. "May 18, 1987," H.15 Selected Interest Rates (1987-05-18) : 2-2. https://fraser.stlouisfed.org/title/86/item/67053/toc/463725 , accessed on April 18, 2024.