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. "1960," Annual Report of the Board of Governors of the Federal Reserve System (1960) : 130-130. https://fraser.stlouisfed.org/title/117/item/2416/toc/220711 , accessed on March 29, 2024.