John Adams, Abigail Adams, Thomas Jefferson (1988). “The Adams-Jefferson Letters: The Complete Correspondence Between Thomas Jefferson and Abigail and John Adams”
Virginia. General Assembly. House of Delegates, J. W. Randolph, James Madison (1850). “The Virginia Report of 1799-1800: Touching the Alien and Sedition Laws; Together with the Virginia Resolutions of December 21, 1798, Including the Debate and Proceedings Thereon in the House of Delegates of Virginia and Other Documents Illustrative of the Report and Resolutions”, p.136
Albert Einstein (2015). “Bite-Size Einstein: Quotations on Just About Everything from the Greatest Mind of the Twentieth Century”, p.40, St. Martin's Press
Thomas Jefferson (2011). “The Papers of Thomas Jefferson, Retirement Series, Volume 7: 28 November 1813 to 30 September 1814”, p.248, Princeton University Press