Board of Governors of the Federal Reserve System (U.S.), 1935-. "Approval of applications of Provident Bancorp, Inc., for Northern Kentucky Trustcorp, Inc., and Northern Kentucky Financial Corporation" in Press Releases of the Board of Governors of the Federal Reserve System
(December 13, 1989).
https://fraser.stlouisfed.org/title/9237/item/691665, accessed on January 15, 2026.