Chickasha Daily Express (Chickasha, Okla.), Vol. SIXTEEN, No. 197, Ed. 1 Thursday, July 15, 1915, newspaper, July 15, 1915; (https://gateway.okhistory.org/ark:/67531/metadc732368/m1/1/: accessed May 4, 2024), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .