Rand McNally and Company. "July 1930 : Areas Under Sovereignty of the United States, Canada," Rand McNally Bankers Directory (July 1930). https://fraser.stlouisfed.org/title/105/item/598549/content/pdf/rmbd_193007_09_canada, accessed on May 8, 2024.
Rand McNally and Company. "July 1930 : Areas Under Sovereignty of the United States, Canada," Rand McNally Bankers Directory (July 1930). https://fraser.stlouisfed.org/title/105/item/598549/content/pdf/rmbd_193007_09_canada, accessed on May 8, 2024.