___. Ohio Congressman John M. Vorys: A Republican Conservative Nationalist and Twentieth Century American Foreign Policy." Ph.D. diss., University of Toledo, 1989.
___. Swallowed By Globalism: John M. Vorys And American Foreign Policy. Lanham, MD: University Press of America, 2001.
Porter, David L. Ohio Representative John M. Vorys and the Arms Embargo in 1939." Ohio History 83 (Spring 1974): 103-13.