Board of Governors of the Federal Reserve System (U.S.), 1935-. "Hearing Examiners report and recommended decision on application by First Oklahoma Bancorporation, Inc., for First National Bank and Trust Company of Oklahoma City and Idabel National Bank" in Press Releases of the Board of Governors of the Federal Reserve System
(August 24, 1962).
https://fraser.stlouisfed.org/title/9237/item/697164, accessed on April 12, 2026.