Henry David Thoreau (2014). “Citizen Thoreau: Walden, Civil Disobedience, Life Without Principle, Slavery in Massachusetts, A Plea for Captain John Brown”, p.39, Graphic Arts Books
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.15