Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "Margin Requirements," in Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "July 1969," Federal Reserve Bulletin (July 1969) : 81-81. https://fraser.stlouisfed.org/title/62/item/21415/toc/333470 , accessed on May 3, 2024.