Zeigler, C. C. The Oklahoma Labor Unit (Oklahoma City, Okla.), Vol. 7, No. 32, Ed. 1 Saturday, January 30, 1915, newspaper, January 30, 1915; (https://gateway.okhistory.org/ark:/67531/metadc157235/m1/1/: accessed September 21, 2017), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .