Drumright Evening Derrick (Drumright, Okla.), Vol. 3, No. 84, Ed. 1 Friday, April 20, 1917, newspaper, April 20, 1917; (https://gateway.okhistory.org/ark:/67531/metadc148163/m1/1/: accessed April 25, 2024), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .