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.86, Rowman & Littlefield
Noah Webster (1837). “History of the United States: to which is prefixed a brief historical account of our [English] ancestors, from the dispersion at Babel, to their migration to America, and of the conquest of South America, by the Spaniards”, p.307