Board of Governors of the Federal Reserve System (U.S.), 1935-. "Approval of applications of Avantor Financial Corporation to acquire Citizens and Southern Corporation and Sovran Financial Corporation" in Press Releases of the Board of Governors of the Federal Reserve System (July 24, 1990). https://fraser.stlouisfed.org/title/9237/item/691831, accessed on January 16, 2026.