The Oklahoma Labor Unit (Oklahoma City, Okla.), Vol. 2, No. 28, Ed. 1 Saturday, January 1, 1910, newspaper, January 1, 1910; (https://gateway.okhistory.org/ark:/67531/metadc106860/m1/1/: accessed May 2, 2024), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .