Board of Governors of the Federal Reserve System (U.S.), 1935-. "Issuance of determination relating to the divestiture by First Oklahoma Bancorporation, Inc., of certain assets" in Press Releases of the Board of Governors of the Federal Reserve System
(June 9, 1981).
https://fraser.stlouisfed.org/title/9237/item/695375, accessed on April 22, 2026.