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. "November 1940," Federal Reserve Bulletin (November 1940) : 31-31. https://fraser.stlouisfed.org/title/62/item/21031/toc/299170 , accessed on April 23, 2024.