Will Rogers, Steven K. Gragert, M. Jane Johansson (2001). “The Papers of Will Rogers: From vaudeville to Broadway : September 1908-August 1915”, p.331, University of Oklahoma Press
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.199, Rowman & Littlefield