Chickasha Daily Express. (Chickasha, Okla.), Vol. THIRTEEN, No. 117, Ed. 1 Wednesday, May 15, 1912, newspaper, May 15, 1912; (https://gateway.okhistory.org/ark:/67531/metadc727276/m1/1/: accessed April 19, 2024), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .