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-. "April 28, 1980," H.15 Selected Interest Rates (April 28, 1980) : 1-1. https://fraser.stlouisfed.org/title/86/item/67325/toc/462994 , accessed on March 29, 2024.