Board of Governors of the Federal Reserve System (U.S.), 1935-. "Approval of applications of Associated Bank Corporation for Hawkeye State Bank, First Trust and Union Savings Bank, and Kalona Savings Bank" in Press Releases of the Board of Governors of the Federal Reserve System
(September 16, 1974).
https://fraser.stlouisfed.org/title/9237/item/699803, accessed on January 18, 2026.