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. "May 1974," Federal Reserve Bulletin (May 1974) : 95-95. https://fraser.stlouisfed.org/title/62/item/21474/toc/43513 , accessed on April 18, 2024.