Drumright Evening Derrick (Drumright, Okla.), Vol. 5, No. 325, Ed. 2 Saturday, April 16, 1921, newspaper, April 16, 1921; (https://gateway.okhistory.org/ark:/67531/metadc163317/m1/1/: accessed April 16, 2024), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .