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. "April 1965," Federal Reserve Bulletin (April 1965) : 38-38. https://fraser.stlouisfed.org/title/62/item/21364/toc/63467 , accessed on April 23, 2024.