Board of Governors of the Federal Reserve System (U.S.), 1935-. "Selected Interest Rates," in Board of Governors of the Federal Reserve System (U.S.), 1935-. "June 20, 1988," H.15 Selected Interest Rates (1988-06-20) : 1-1. https://fraser.stlouisfed.org/title/86/item/67564/toc/463862 , accessed on May 4, 2024.