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. "July 1958," Federal Reserve Bulletin (July 1958) : 57-57. https://fraser.stlouisfed.org/title/62/item/21283/toc/192052 , accessed on March 28, 2024.