Cimarron Valley Clipper (Coyle, Okla.), Vol. 24, No. 41, Ed. 1 Thursday, April 30, 1925, newspaper, April 30, 1925; (https://gateway.okhistory.org/ark:/67531/metadc913779/m1/1/: accessed November 24, 2020), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .