The Calumet Chieftain (Calumet, Okla.), Vol. 10, No. 39, Ed. 1 Thursday, April 25, 1918, newspaper, April 25, 1918; (https://gateway.okhistory.org/ark:/67531/metadc168154/m1/1/: accessed April 23, 2024), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .