Bisbee, Sumner T. Western Oil Derrick (Oklahoma City, Okla.), Vol. 3, No. 26, Ed. 1 Saturday, June 26, 1920, newspaper, June 26, 1920; (https://gateway.okhistory.org/ark:/67531/metadc152257/m1/1/: accessed December 17, 2017), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .