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. "June 1949," Federal Reserve Bulletin (June 1949) : 62-62. https://fraser.stlouisfed.org/title/62/item/21174/toc/295294 , accessed on May 14, 2024.