Chickasha Daily Express (Chickasha, Okla.), Vol. SIXTEEN, No. 113, Ed. 1 Wednesday, May 12, 1915, newspaper, May 12, 1915; (https://gateway.okhistory.org/ark:/67531/metadc732437/m1/8/: accessed July 17, 2024), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .