John Adams, Abigail Adams, Thomas Jefferson (1971). “The Adams-Jefferson letters: the complete correspondence between Thomas Jefferson and Abigail and John Adams”, Touchstone
George Washington, Jared Sparks (1834). “The Writings of George Washington: Being His Correspondence, Addresses, Messages, and Other Papers, Official and Private, Selected and Published from the Original Manuscripts”, p.324
Benjamin Franklin (1905). “The Life of Benjamin Franklin: Written by Himself. Now First Edited from Original Manuscripts and from His Printed Correspondence and Other Writings”
Thomas Jefferson (2011). “Jefferson on Freedom: Wisdom, Advice, and Hints on Freedom, Democracy, and the American Way”, p.39, Skyhorse Publishing, Inc.
John Dickinson (1801). “The Political Writings of John Dickinson, Esquire: The speech of John Dickinson ... May 24th, 1764 ... praying the king for a change of the government of the province. 1764”, p.111