The Mustang Mail. (Mustang, Okla.), Vol. 2, No. 6, Ed. 1 Friday, April 3, 1903, newspaper, April 3, 1903; (https://gateway.okhistory.org/ark:/67531/metadc162414/m1/1/: accessed May 7, 2024), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .