Thomas Jefferson (2011). “Jefferson on Freedom: Wisdom, Advice, and Hints on Freedom, Democracy, and the American Way”, p.26, Skyhorse Publishing, Inc.
George Washington, John Jay, Jared Sparks (1850). “Washington's Farewell Address to the People of the United States of America”, p.36, New York : J. Wiley
George Washington, William Jackson (1838). “Monuments of Washington's Patriotism: Containing a Fac Simile of His Publick Accounts Kept During the Revolutionary War; and Some of the Most Interesting Documents Connected with His Military Command and Civil Administration; Embracing, Among Others, the Farewell Address to the People of the United States”, p.16
Thomas Jefferson (2011). “Jefferson on Freedom: Wisdom, Advice, and Hints on Freedom, Democracy, and the American Way”, p.26, Skyhorse Publishing, Inc.