Board of Governors of the Federal Reserve System (U.S.), 1935-. "Issuance of determination that Walter E. Heller Corporation and American National Bank and Trust Company of Chicago do not control the purchasers of Suburban Trust and Savings Bank" in Press Releases of the Board of Governors of the Federal Reserve System
(July 2, 1981).
https://fraser.stlouisfed.org/title/9237/item/695394, accessed on April 16, 2026.