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. "July 1968," Federal Reserve Bulletin (July 1968) : 138-138. https://fraser.stlouisfed.org/title/62/item/21403/toc/143973 , accessed on April 25, 2024.