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 1967," Federal Reserve Bulletin (January 1967) : 96-96. https://fraser.stlouisfed.org/title/62/item/21385/toc/158073 , accessed on March 19, 2024.