William Goldman (2013). “The Princess Bride: An Illustrated Edition of S. Morgenstern's Classic Tale of True Love and High Adventure”, p.335, Houghton Mifflin Harcourt
Henry George (1916). “Progress and Poverty: An Inquiry Into the Cause of Industrial Depressions and of Increase of Want with Increase of Wealth; the Remedy”
William Goldman (2013). “The Princess Bride: An Illustrated Edition of S. Morgenstern's Classic Tale of True Love and High Adventure”, p.335, Houghton Mifflin Harcourt