Thomas Jefferson (2011). “Jefferson on Freedom: Wisdom, Advice, and Hints on Freedom, Democracy, and the American Way”, p.65, Skyhorse Publishing, Inc.
Thomas Jefferson (1853). “The writings of Thomas Jefferson: being his autobiography, correspondence, reports, messages, addresses, and other writings, official and private”, p.82
Thomas Jefferson (1854). “The Writings of Thomas Jefferson: Inaugural addresses and messages. Replies to public addresses. Indian addresses. Miscellaneous: 1. Notes on Virginia; 2. Biographical sketches of distinguished men; 3. The batture of New Orleans”, p.400
Thomas Jefferson (2011). “Jefferson on Freedom: Wisdom, Advice, and Hints on Freedom, Democracy, and the American Way”, p.26, Skyhorse Publishing, Inc.