Chickasha Daily Express (Chickasha, Okla.), Vol. 18, No. 140, Ed. 1 Wednesday, June 13, 1917, newspaper, June 13, 1917; (https://gateway.okhistory.org/ark:/67531/metadc730054/m1/1/: accessed April 17, 2024), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .