Drumright Evening Derrick (Drumright, Okla.), Vol. 4, No. 136, Ed. 1 Wednesday, June 26, 1918, newspaper, June 26, 1918; (https://gateway.okhistory.org/ark:/67531/metadc148503/m1/5/: accessed April 18, 2024), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .