Chickasha Daily Express (Chickasha, Okla.), Vol. 19, No. 147, Ed. 1 Monday, June 24, 1918, newspaper, June 24, 1918; (https://gateway.okhistory.org/ark:/67531/metadc730995/m1/1/: accessed April 19, 2024), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .