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 26, 1989," H.15 Selected Interest Rates (1989-06-26) : 2-2. https://fraser.stlouisfed.org/title/86/item/67843/toc/464006 , accessed on May 8, 2024.