Thomas Jefferson (2011). “The Papers of Thomas Jefferson, Retirement Series, Volume 7: 28 November 1813 to 30 September 1814”, p.248, Princeton University Press
Noah Webster (1787). “An Examination Into the Leading Principles of the Federal Constitution Proposed by the Late Convention Held at Philadelphia: With Answers to the Principal Objections that Have Been Raised Against the System”, p.43
John Adams, Charles Francis Adams (1856). “The Works of John Adams, Second President of the United States: With a Life of the Author, Notes and Illustrations”, p.45
"George Washington’s Farewell Address". "The Life of George Washington. Special Edition for Schools", ed. Robert Faulkner and Paul Carrese, Indianapolis: Liberty Fund, oll.libertyfund.org. 2000.
John Adams, Abigail Adams, Thomas Jefferson (1988). “The Adams-Jefferson Letters: The Complete Correspondence Between Thomas Jefferson and Abigail and John Adams”
John Adams, Charles Francis Adams (1851). “The Works of John Adams, Second President of the United States: With a Life of the Author, Notes and Illustrations”, p.9
John Adams, Charles Francis Adams (1851). “The Works of John Adams, Second President of the United States: With a Life of the Author, Notes and Illustrations”, p.421