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⁸ Nordhaus, “Political Business Cycle,” p. 187.Google Scholar

⁹ Barber, James D., The Presidential Character: Predicting Performance in the White House (Englewood Cliffs, 1977, 1972).Google Scholar

¹⁰ Review by Mazlish, Bruce, New York Times Book Review, Oct. 1, 1972, p. 32.Google Scholar See also George, Alexander, “Assessing Presidential Character,” World Politics, 41 (01. 1974), 234–82;CrossRefGoogle ScholarHargrove, Erwin, “Presidential Personality and Revisionist Views of the Presidency,” Midwest Journal of Political Science, 17 (11. 1973), 819–35;CrossRefGoogle ScholarTulis, Jeffrey, “On Presidential Character and Abraham Lincoln,” in Rethinking the Presidency, ed. Cronin, Thomas (Boston, 1982), pp. 87–102;Google Scholar and Nelson, Michael, “James David Barber and the Psychological Presidency,” in Rethinking the Presidency, pp. 75–86.Google Scholar

¹¹ The Memories of Richard Nixon (New York, 1978), p. 521; quoted by Keller and May, p. 19 of original paper.Google Scholar