Brock, Peter. The Quaker Peace Testimony, 1660-1914. York, U.K. Sessions Book Trust, 1990.
Dictionary of American Biography. Allen Johnson et al., eds. New York, 1928.
Elkins, Stanley and Eric Mc Kittrick. The Age of Federalism. New York: Oxford, 1993.
Ellis, Joseph J. Passionate Sage. New York: Norton, 1993.
Farrand, Max.Records of the Federal Convention of 1787. New Haven, 1987.
Foner, Eric and J. Garraty, eds. A Reader's Guide to American History. Boston: Houghton, Miflin, 1991
Hirst, Margaret E. The Quakers in Peace and War. London: Swarthmore Press, 1972
Kaminski, John P., and G. Saladino, eds. Commentaries on the Constitution. Madison WI: State Historical Society, 1981. Volume XIII.
Larson, Martin A. The Essence of Jefferson. Washington, D.C.: Binns, 1977.
Malone, Dumas. Jefferson, The President. Boston: Little, Brown, 1974.
Mc Keel, Arthur J. The Relation of the Quakers to the American Nation. Washington, DC, 1979.
_______. "Quakers." Dictionary of American History
Padover, Saul K. Jefferson. New York: Harcourt Brace (Mentor Edition), 1952.
Peterson, Merrill. Thomas Jefferson and the New Nation. New York: Oxford, 1975.
_______. "Jefferson and Religious Freedom". Atlantic Monthly. December 1994. Downloaded from America Online.
Randall, Willard Sterne. Thomas Jefferson; A Life. New York: Henry Holt, 1993.
Washington, George. Papers. Ed. W.W. Abbot and D. Twohig. Charlottesville:U Va Press,
{PAGE \# "'Page: '#' '"|Page: 6 }[LS13] Possible reasons: The Senators more sensitive to "states Rights' and therfore more likely to reject XIV. XI might contradict Article III of the Constitution, XVI could also be construed as redundant since it is already covered in the body of the Constitution Articles I, II, and III- the system of checks and balances.