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.280
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
William Blackstone (2016). “The Oxford Edition of Blackstone's: Commentaries on the Laws of England: Book I: Of the Rights of Persons”, p.206, Oxford University Press
John Locke, John W. Yolton (1977). “The Locke Reader: Selections from the Works of John Locke with a General Introduction and Commentary”, p.289, CUP Archive