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-. "April 25, 1988," H.15 Selected Interest Rates (1988-04-25) : 2-2. https://fraser.stlouisfed.org/title/86/item/67429/toc/463844 , accessed on May 5, 2024.