"Responses to Littlefield" (2004), online* Geer, John G. and Thomas R. Rochon, "William Jennings Bryan on the Yellow Brick Road," "Journal of American Culture" (Winter, 1993)*Green, Archie.
«Responses to Littlefield» (2004), online* Geer, John G. and Thomas R. Rochon, "William Jennings Bryan on the Yellow Brick Road, " "Journal of American Culture" (Winter, 1993)* Hearn, Michael Patrick (ed).