Thomas Jefferson (1853). “The writings of Thomas Jefferson: being his autobiography, correspondence, reports, messages, addresses, and other writings, official and private”, p.92
"L'anisotropie de l'espace. La nécessaire révision de certains postulats des théories contemporaines. Les données de l'expérience" by Maurice Allais, Clément Juglar, Paris, (p. 506), 1997.
"The Theory of Gambling and Statistical Logic, Revised Edition". Book by Richard Arnold Epstein, Chapter Three, Fundamental Principles Of A Theory Of Gambling, 1977.