Board of Governors of the Federal Reserve System (U.S.), 1935-. "Approval of application of Integra Financial Corporation for consolidation of Pennbancorp and Union National Corporation" in Press Releases of the Board of Governors of the Federal Reserve System
(September 7, 1988).
https://fraser.stlouisfed.org/title/9237/item/691465, accessed on January 16, 2026.