R. Nisbett and D. Cohen, Culture of Honor: The Psychology of Violence in the South (Boulder, CO: Westview Press, 1996).
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W. Borneman, Polk: The Man Who Transformed the Presidency and America (New York: Random House, 2008); B. Wyatt-Brown, Southern Honor: Ethics and Behavior in the Old South (Oxford: Oxford University Press, 1982).