Levin, Yuval. The Great Debate: Edmund Burke, Thomas Paine, and the Birth of Right and Left. New York: Basic Books, 2013.
Books
Liberalism and Empire: A Study in Nineteenth-Century British Liberal Thought
Uday S. Mehta. Liberalism and Empire: A Study in Nineteenth-Century British Liberal Thought (Chicago: University of Chicago Press, 1999).
Conservatism: Dream and Reality
Robert Nisbet. Conservatism: Dream and Reality (Minneapolis: University of Minnesota Press, 1986).
Edmund Burke’s Conception of the Role of Reason in Politics
Francis J. Canavan, "Edmund Burke's Conception of the Role of Reason in Politics," The Journal of Politics, Vol. 21, No. 1 (Feb., 1959), pp. 60-79.
Conservatism as an Ideology
Samuel P. Huntington, "Conservatism as an Ideology" American Political Science Review, Vol. 51, No. 2 (Jun., 1957), pp. 454-473.