Griffin, C. W. New State Poultryman (Oklahoma City, Okla.), Vol. 2, No. 5, Ed. 1 Sunday, December 1, 1907, newspaper, December 1, 1907; (https://gateway.okhistory.org/ark:/67531/metadc937469/m1/1/: accessed December 17, 2018), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .