Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "Transactions of the System Open Market Account," in Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "September 1970," Federal Reserve Bulletin (September 1970) : 93-93. https://fraser.stlouisfed.org/title/62/item/21429/toc/165013 , accessed on April 25, 2024.