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-. "June 6, 1988," H.15 Selected Interest Rates (1988-06-06) : 2-2. https://fraser.stlouisfed.org/title/86/item/67616/toc/463856 , accessed on March 29, 2024.