The Mountain Park Herald (Mountain Park, Okla.), Vol. 4, No. 36, Ed. 1 Friday, September 13, 1907, newspaper, September 13, 1907; (https://gateway.okhistory.org/ark:/67531/metadc853623/m1/1/: accessed May 10, 2024), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .