Schulz, Heinrich. Oklahoma Volksblatt. (Oklahoma City, Okla.), Vol. 12, No. 12, Ed. 1 Friday, June 9, 1905, newspaper, June 9, 1905; (https://gateway.okhistory.org/ark:/67531/metadc944072/m1/1/: accessed July 18, 2018), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .