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. "September 1952," Federal Reserve Bulletin (September 1952) : 54-54. https://fraser.stlouisfed.org/title/62/item/21213/toc/183154 , accessed on April 19, 2024.