Wallace D. Wattles (2015). “The Science of Being Great: Personal Self-Help Book of Wallace D. Wattles (Unabridged): From one of The New Thought pioneers, author of The Science of Getting Rich, The Science of Being Well, How to Get What You Want, Hellfire Harrison, How to Promote Yourself and A New Christ”, p.66, e-artnow
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