The Prague News and The Prague Record (Prague, Okla.), Vol. 14, No. 50, Ed. 1 Thursday, June 21, 1917, newspaper, June 21, 1917; (https://gateway.okhistory.org/ark:/67531/metadc146816/m1/1/: accessed April 24, 2024), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .