Board of Governors of the Federal Reserve System (U.S.), 1935-. "Approval of application of Casco-Northern Corporation for Casco Bank and Trust Company and Northern National Bank" in Press Releases of the Board of Governors of the Federal Reserve System
(April 26, 1972).
https://fraser.stlouisfed.org/title/9237/item/698605, accessed on January 24, 2026.