Federal Reserve Bank of Chicago. "[The Naperville National Bank, Naperville, Illinois Changed Title to The Naperville National Bank and Trust Company, Naperville, Illinois], Circular No. 1994" in Federal Reserve Bank of Chicago Bulletins and Circular Letters (February 25, 1969). https://fraser.stlouisfed.org/title/7180/item/660961, accessed on December 4, 2024.