Coy, Charles L. The Mountain Park Herald (Mountain Park, Okla.), Vol. 4, No. 29, Ed. 1 Friday, July 12, 1907, newspaper, July 12, 1907; (https://gateway.okhistory.org/ark:/67531/metadc853496/m1/1/: accessed October 23, 2020), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .