Lecture on opening a new library at Sutton High School on September 24, 1938. "Books As Source Of Inner Strength", The Times, p. 19, September 26, 1938.
Alexander Hamilton, James Madison, Quentin P. Taylor, John Jay (1998). “The Essential Federalist: A New Reading of the Federalist Papers”, p.63, Rowman & Littlefield
Joseph Story (1833). “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.486