Drumright Evening Derrick (Drumright, Okla.), Vol. 5, No. 348, Ed. 2 Friday, May 13, 1921, newspaper, May 13, 1921; (https://gateway.okhistory.org/ark:/67531/metadc163363/m1/1/: accessed April 15, 2024), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .