Rand McNally and Company. "January 1928 : North Dakota-South Dakota," Rand McNally Bankers Directory (January 1928). https://fraser.stlouisfed.org/title/105/item/598443/content/pdf/rmbd_192801_07_northdakota, accessed on March 29, 2024.
Rand McNally and Company. "January 1928 : North Dakota-South Dakota," Rand McNally Bankers Directory (January 1928). https://fraser.stlouisfed.org/title/105/item/598443/content/pdf/rmbd_192801_07_northdakota, accessed on March 29, 2024.