The Mountain Park Herald. (Mountain Park, Okla.), Vol. 3, No. 22, Ed. 1 Thursday, June 14, 1906, newspaper, June 14, 1906; (https://gateway.okhistory.org/ark:/67531/metadc853695/m1/1/: accessed April 18, 2024), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .