Oklahoma Farmer (Guthrie, Okla.), Vol. 17, No. 2, Ed. 1 Wednesday, May 20, 1908, newspaper, May 20, 1908; (https://gateway.okhistory.org/ark:/67531/metadc88187/m1/1/: accessed May 12, 2025), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .