Rand McNally and Company. "July 1930 : Introductory Material," Rand McNally Bankers Directory (July 1930). https://fraser.stlouisfed.org/title/105/item/598549/content/pdf/rmbd_193007_01_introductorymaterial, accessed on April 22, 2024.
Rand McNally and Company. "July 1930 : Introductory Material," Rand McNally Bankers Directory (July 1930). https://fraser.stlouisfed.org/title/105/item/598549/content/pdf/rmbd_193007_01_introductorymaterial, accessed on April 22, 2024.