Federal Reserve Bank of Chicago. "[State Bank of Des Moines, Des Moines, Iowa Converted to National Bank Under the Title of Northwest Des Moines National Bank, Des Moines, Iowa], Circular No. 1576" in Federal Reserve Bank of Chicago Bulletins and Circular Letters (August 19, 1959). https://fraser.stlouisfed.org/title/7180/item/658759, accessed on November 21, 2024.