Federal Reserve Bank of New York. "Changes in List of OTC Margin Stocks," Federal Reserve Bank of New York Circulars (August 16, 1971). https://fraser.stlouisfed.org/title/466/item/14565, accessed on May 2, 2024.
Federal Reserve Bank of New York. "Changes in List of OTC Margin Stocks," Federal Reserve Bank of New York Circulars (August 16, 1971). https://fraser.stlouisfed.org/title/466/item/14565, accessed on May 2, 2024.