Drumright Evening Derrick (Drumright, Okla.), Vol. 3, No. 220, Ed. 1 Saturday, September 29, 1917, newspaper, September 29, 1917; (https://gateway.okhistory.org/ark:/67531/metadc148295/m1/1/: accessed October 19, 2018), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .