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-. "July 31, 1989," H.15 Selected Interest Rates (1989-07-31) : 1-1. https://fraser.stlouisfed.org/title/86/item/67849/toc/464016 , accessed on May 20, 2024.