Farmers' and Business Men's Co-Operative Association. The May Bugle. (May, Okla.), Vol. 10, No. 35, Ed. 1 Thursday, November 19, 1914, newspaper, November 19, 1914; (https://gateway.okhistory.org/ark:/67531/metadc941086/m1/1/: accessed December 12, 2017), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .