Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "Initial Margin Requirements Under Regulations T, U, G, and X," in Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "1995," Annual Report of the Board of Governors of the Federal Reserve System (1995) : 302-302. https://fraser.stlouisfed.org/title/117/item/2463/toc/391762 , accessed on April 17, 2024.