Federal Reserve Bank of New York. "Changes in List of OTC Margin Stocks," Federal Reserve Bank of New York Circulars (February 2, 1972). https://fraser.stlouisfed.org/title/466/item/540690, accessed on June 2, 2024.
Federal Reserve Bank of New York. "Changes in List of OTC Margin Stocks," Federal Reserve Bank of New York Circulars (February 2, 1972). https://fraser.stlouisfed.org/title/466/item/540690, accessed on June 2, 2024.