Rand McNally and Company. "January 1924 : Iowa-Michigan," Rand McNally Bankers Directory (January 1924). https://fraser.stlouisfed.org/title/105/item/598585/content/pdf/rmbd_192401_04_iowa, accessed on April 19, 2024.
Rand McNally and Company. "January 1924 : Iowa-Michigan," Rand McNally Bankers Directory (January 1924). https://fraser.stlouisfed.org/title/105/item/598585/content/pdf/rmbd_192401_04_iowa, accessed on April 19, 2024.