Evans, George H. Chickasha Daily Express (Chickasha, Okla.), Vol. SIXTEEN, No. 242, Ed. 1 Tuesday, September 7, 1915, newspaper, September 7, 1915; (https://gateway.okhistory.org/ark:/67531/metadc729162/m1/1/: accessed October 20, 2018), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .