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Joseph Story (1851). “Commentaries on the Constitution of the United States: With a Preliminary Review of the Constitutional History of the Colonies and States, Before the Adoption of the Constitution”, p.296
Thomas Jefferson (1854). “The Writings of Thomas Jefferson: Being His Autobiography, Correspondence, Reports, Messages, Addresses, and Other Writings, Official and Private : Published by the Order of the Joint Committee of Congress on the Library, from the Original Manuscripts, Deposited in the Department of State”, p.556
James Madison (1836). “The Debates in the Several State Conventions on the Adoption of the Federal Constitution: As Recommended by the General Convention at Philadelphia in 1787. Together with the Journal of the Federal Convention, Luther Martin's Letter, Yates's Minutes, Congressional Opinions, Virginia and Kentucky Resolutions of '98-'99, and Other Illustrations of the Constitution”, p.431
Alexander Hamilton, Donald R. Hickey, Connie D. Clark (2006). “Citizen Hamilton: The Wit and Wisdom of an American Founder”, p.37, Rowman & Littlefield