The Sulphur Post. (Sulphur, Okla.), Vol. 11, No. 7, Ed. 1 Friday, July 18, 1913, newspaper, July 18, 1913; (https://gateway.okhistory.org/ark:/67531/metadc2045983/m1/1/: accessed June 25, 2024), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .