Federal Reserve Bank of Chicago. "[Fidelity Savings Bank, Ottumwa, Iowa Converted to National Bank Under the Title First National Bank of Ottumwa, Ottumwa, Iowa], Circular No. 1742" in Federal Reserve Bank of Chicago Bulletins and Circular Letters (January 2, 1964). https://fraser.stlouisfed.org/title/7180/item/658930, accessed on September 10, 2024.