Board of Governors of the Federal Reserve System (U.S.), 1935-. "Approval of applications of Marshall and Ilsley Corporation for Heritage Wisconsin Corporation and to engage in leasing, trust, and investment advisory activities" in Press Releases of the Board of Governors of the Federal Reserve System
(June 6, 1985).
https://fraser.stlouisfed.org/title/9237/item/696624, accessed on January 19, 2026.