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 1968," Federal Reserve Bulletin (May 1968) : 78-78. https://fraser.stlouisfed.org/title/62/item/21401/toc/241004 , accessed on May 5, 2024.