Rand McNally and Company. "January 1923 : Montana-Ohio," Rand McNally Bankers Directory (January 1923). https://fraser.stlouisfed.org/title/105/item/598439/content/pdf/rmbd_192301_06_montana, accessed on September 18, 2024.
Rand McNally and Company. "January 1923 : Montana-Ohio," Rand McNally Bankers Directory (January 1923). https://fraser.stlouisfed.org/title/105/item/598439/content/pdf/rmbd_192301_06_montana, accessed on September 18, 2024.