Chickasha Daily Express (Chickasha, Okla.), Vol. SIXTEEN, No. 133, Ed. 1 Friday, June 4, 1915, newspaper, June 4, 1915; (https://gateway.okhistory.org/ark:/67531/metadc731574/m1/1/: accessed April 25, 2024), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .