Drumright Evening Derrick (Drumright, Okla.), Vol. 5, No. 77, Ed. 1 Saturday, June 26, 1920, newspaper, June 26, 1920; (https://gateway.okhistory.org/ark:/67531/metadc146975/m1/1/: accessed November 22, 2017), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .