Board of Governors of the Federal Reserve System (U.S.), 1935-. "Approval of application of Dakota Bancorporation to retain Columbus Insurance Agency and to continue to engage in general insurance agency activities" in Press Releases of the Board of Governors of the Federal Reserve System
(May 17, 1976).
https://fraser.stlouisfed.org/title/9237/item/693555, accessed on January 15, 2026.