Chickasha Daily Express (Chickasha, Okla.), Vol. 18, No. 197, Ed. 1 Monday, August 20, 1917, newspaper, August 20, 1917; (https://gateway.okhistory.org/ark:/67531/metadc730220/m1/1/: accessed April 19, 2024), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .