Federal Reserve Bank of New York. "Changes in List of OTC Margin Stocks," Federal Reserve Bank of New York Circulars (January 27, 1970). https://fraser.stlouisfed.org/title/466/item/14231, accessed on April 26, 2024.
Federal Reserve Bank of New York. "Changes in List of OTC Margin Stocks," Federal Reserve Bank of New York Circulars (January 27, 1970). https://fraser.stlouisfed.org/title/466/item/14231, accessed on April 26, 2024.