Drumright Evening Derrick (Drumright, Okla.), Vol. 5, No. 346, Ed. 1 Wednesday, May 11, 1921, newspaper, May 11, 1921; (https://gateway.okhistory.org/ark:/67531/metadc163358/m1/1/: accessed June 5, 2024), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .