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. "April 1967," Federal Reserve Bulletin (April 1967) : 107-107. https://fraser.stlouisfed.org/title/62/item/21388/toc/150842 , accessed on April 19, 2024.