Rand McNally and Company. "July 1931 : Accessible Banking Points to Non-Bank Towns," Rand McNally Bankers Directory (July 1931). https://fraser.stlouisfed.org/title/105/item/598415/content/pdf/rmbd_193107_14_accessiblebanking, accessed on December 5, 2023.
http://rightsstatements.org/vocab/NoC-US/1.0/