Drumright Evening Derrick (Drumright, Okla.), Vol. 2, No. 72, Ed. 1 Friday, April 7, 1916, newspaper, April 7, 1916; (https://gateway.okhistory.org/ark:/67531/metadc147912/m1/1/: accessed April 18, 2024), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .