Drumright Evening Derrick (Drumright, Okla.), Vol. 5, No. 182, Ed. 1 Thursday, August 21, 1919, newspaper, August 21, 1919; (https://gateway.okhistory.org/ark:/67531/metadc148854/m1/1/: accessed December 14, 2018), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .