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. "March 1950," Federal Reserve Bulletin (March 1950) : 55-55. https://fraser.stlouisfed.org/title/62/item/21183/toc/164594 , accessed on April 23, 2024.