Sapulpa Daily Democrat (Sapulpa, Indian Terr.), Vol. 1, No. 93, Ed. 1 Wednesday, May 15, 1907, newspaper, May 15, 1907; (https://gateway.okhistory.org/ark:/67531/metadc1469694/m1/1/: accessed April 24, 2024), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .