John Tillotson (1720). “The Works of the Most Reverend Dr. John Tillotson, Late Lord Archbishop of Canterbury: Containing Fifty Four Sermons and Discourses on Several Occasions. Together with the Rule of Faith”, p.69
"Democracy in America". Book by Alexis de Tocqueville (originally published 1835-1840), translated by George Lawrence, vol. 1, part 2, Conclusion, final paragraphs, p. 412-413, 1969.
Thomas Jefferson (2010). “The Works of Thomas Jefferson: Correspondence 1771 - 1779, the Summary View, and the Declaration of Independence”, p.202, Cosimo, Inc.