Oklahoma City Times (Oklahoma City, Okla.), Vol. 30, No. 7, Ed. 1 Monday, April 8, 1918, newspaper, April 8, 1918; (https://gateway.okhistory.org/ark:/67531/metadc170642/m1/1/: accessed April 23, 2024), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .