Board of Governors of the Federal Reserve System (U.S.), 1935-. "Board seeks public comment on requirements change for inclusion of stocks in the list of OTC stocks that are subject to margin requirements" in Press Releases of the Board of Governors of the Federal Reserve System
(March 14, 1978).
https://fraser.stlouisfed.org/title/9237/item/694179, accessed on May 8, 2026.