Chickasha Daily Express (Chickasha, Indian Terr.), Vol. 11, No. 129, Ed. 1 Monday, June 1, 1903, newspaper, June 1, 1903; (https://gateway.okhistory.org/ark:/67531/metadc731040/m1/1/: accessed May 8, 2024), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .