Drumright Evening Derrick (Drumright, Okla.), Vol. 5, No. 286, Ed. 1 Thursday, March 3, 1921, newspaper, March 3, 1921; (https://gateway.okhistory.org/ark:/67531/metadc149333/m1/1/: accessed December 13, 2017), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .