Will Rogers, Bryan B. Sterling, Frances N. Sterling (1993). “Will Rogers' World: America's Foremost Political Humorist Comments on the Twenties and Thirties--and Eighties and Nineties”, p.159, Rowman & Littlefield
Sarah-Patton Boyle, Jennifer Lynn Ritterhouse (1962). “The Desegregated Heart: A Virginian's Stand in Time of Transition”, p.6, University of Virginia Press