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. "May 1972," Federal Reserve Bulletin (May 1972) : 105-105. https://fraser.stlouisfed.org/title/62/item/21450/toc/56504 , accessed on May 11, 2024.