Chickasha Daily Express. (Chickasha, Okla.), Vol. 11, No. 148, Ed. 1 Tuesday, June 21, 1910, newspaper, June 21, 1910; (https://gateway.okhistory.org/ark:/67531/metadc730442/m1/1/: accessed April 23, 2024), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .