Federal Reserve Bank of New York. "Changes in List of OTC Margin Stocks," Federal Reserve Bank of New York Circulars (November 16, 1970). https://fraser.stlouisfed.org/title/466/item/13868, accessed on April 17, 2024.
Federal Reserve Bank of New York. "Changes in List of OTC Margin Stocks," Federal Reserve Bank of New York Circulars (November 16, 1970). https://fraser.stlouisfed.org/title/466/item/13868, accessed on April 17, 2024.