Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "Federal Reserve Bank Interest Rates," in Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "April 1991," Federal Reserve Bulletin (April 1991) : 93-93. https://fraser.stlouisfed.org/title/62/item/20827/toc/113326 , accessed on March 28, 2024.