Niblack, Leslie G. The Guthrie Daily Leader. (Guthrie, Okla.), Vol. 51, No. 75, Ed. 1 Tuesday, April 23, 1918, newspaper, April 23, 1918; (https://gateway.okhistory.org/ark:/67531/metadc616605/m1/1/: accessed December 16, 2018), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .