Margin Requirements
Board of Governors of the Federal Reserve System (U.S.), 1935-. "Margin Requirements," in Board of Governors of the Federal Reserve System (U.S.), 1935-. "1971-1975," Annual Statistical Digest (October 1976) : 48-48. https://fraser.stlouisfed.org/title/7/item/23513/toc/413648 , accessed on March 28, 2024.