Board of Governors of the Federal Reserve System (U.S.), 1935-. "Footnotes," in Board of Governors of the Federal Reserve System (U.S.), 1935-. "May 14, 1990," H.15 Selected Interest Rates (1990-05-14) : 2-2. https://fraser.stlouisfed.org/title/86/item/67801/toc/462881 , accessed on April 26, 2024.