The Oklahoma Critic (Tulsa, Okla.), Vol. 1, No. 7, Ed. 1 Tuesday, March 13, 1917, newspaper, March 13, 1917; (https://gateway.okhistory.org/ark:/67531/metadc1042976/m1/1/: accessed March 23, 2019), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .