The Political Writings of Ralph Waldo Emerson for The Cambridge Texts in the History of Political Thought. Cambridge University Press, 2008
Understanding Emerson: "The American Scholar" and His Struggle for Self-Reliance (Princeton University Press, May 2003) Major reviews include the Times Literary Supplement 25 July, 2003, pp. 3-4, and the New Yorker 4 August, 2003, pp. 77-80 (by John Updike). Second printing ordered in July, 2003.
Diodorus Siculus and the First Century (Princeton University Press, 1990) Listed among "Outstanding Academic Books of 1991," by Choice
Polybius on the Writing of History (University of California Press, 1981)