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. "January 1975," Federal Reserve Bulletin (January 1975) : 66-66. https://fraser.stlouisfed.org/title/62/item/21481/toc/372263 , accessed on June 23, 2024.