Federal Reserve Bank of Chicago. "[First National Bank in Oshkosh, Oshkosh, Wisconsin Changed Title to First Wisconsin National Bank of Oshkosh], Circular No. 2110" in Federal Reserve Bank of Chicago Bulletins and Circular Letters (July 24, 1970). https://fraser.stlouisfed.org/title/7180/item/661145, accessed on February 1, 2025.