Nipper, Frank S. The Prague Record (Prague, Okla.), Vol. 12, No. 44, Ed. 1 Thursday, May 20, 1915, newspaper, May 20, 1915; (https://gateway.okhistory.org/ark:/67531/metadc147825/m1/1/: accessed December 10, 2018), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .