Heart, C. F. The Madill News (Madill, Okla.), Vol. 13, No. 50, Ed. 1 Friday, August 14, 1908, newspaper, August 14, 1908; (https://gateway.okhistory.org/ark:/67531/metapth351858/m1/1/: accessed February 18, 2020), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .