Board of Governors of the Federal Reserve System (U.S.), 1935-. "Approval of application by Brenton Companies, Inc., for Poweshiek County National Bank of Grinnell, First National Bank of Perry, Brenton State Bank, and Jefferson State Bank" in Press Releases of the Board of Governors of the Federal Reserve System
(November 19, 1962).
https://fraser.stlouisfed.org/title/9237/item/697193, accessed on January 15, 2026.