Rand McNally and Company. "Final 1940 Edition : Directors of National and State Banks, Savings Banks and Trust Companies,"
Rand McNally Bankers Directory
(September 1940).
https://fraser.stlouisfed.org/title/105/item/598433/content/pdf/rmbd_1940final_15_directoriesofnationalandstatebanks, accessed on June 2, 2026.