Federal Reserve Bank of Dallas. "Revised List of OTC Margin Stocks, Circular No. 78-51," District Notices (Federal Reserve Bank of Dallas) (May 3, 1978). https://fraser.stlouisfed.org/scribd/?item_id=542460&filepath=/files/docs/historical/frbdal/circulars/frbdallas_circ_19780503_no78-051.pdf&start_page=1, accessed on September 19, 2017.
OTC Margin Stocks, Revised List Effective 4-3-78. Pursuant to Provisions of Regulations G, T, and U.