Federal Reserve Bank of New York. "6177. Margin Requirements Increased," Federal Reserve Bank of New York Circulars (June 7, 1968). https://fraser.stlouisfed.org/title/466/item/13740, accessed on May 17, 2024.
Federal Reserve Bank of New York. "6177. Margin Requirements Increased," Federal Reserve Bank of New York Circulars (June 7, 1968). https://fraser.stlouisfed.org/title/466/item/13740, accessed on May 17, 2024.