Calkins, R. T. The Mulhall State Journal (Mulhall, Okla.), Vol. 22, No. 11, Ed. 1 Thursday, August 17, 1922, newspaper, August 17, 1922; (https://gateway.okhistory.org/ark:/67531/metadc163762/m1/1/: accessed December 11, 2018), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .