Krogh, Nora I. Oklahoma State Labor News (Oklahoma City, Okla.), Vol. 3, No. 15, Ed. 1 Friday, August 28, 1908, newspaper, August 28, 1908; (https://gateway.okhistory.org/ark:/67531/metadc154810/m1/1/: accessed December 14, 2018), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .