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. "October 1974," Federal Reserve Bulletin (October 1974) : 74-74. https://fraser.stlouisfed.org/title/62/item/21478/toc/128444 , accessed on April 25, 2024.