Drumright Evening Derrick (Drumright, Okla.), Vol. 2, No. 167, Ed. 1 Thursday, July 27, 1916, newspaper, July 27, 1916; (https://gateway.okhistory.org/ark:/67531/metadc146779/m1/1/: accessed September 19, 2017), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .