Harvard University | Columbia University | Yale University | University of Paris | New York University | Cambridge | Stanford University | Princeton University | University of Cambridge | University of Pennsylvania | University of Michigan | University of Chicago | University of California, Berkeley | University of Toronto | Cornell University | University of Oxford | University of London | University of Oslo | Cambridge University | University of Southern California | McGill University | Johns Hopkins University | Northwestern University | University of California | Brown University | University of Queensland | University of Minnesota | University of Washington | University of Notre Dame | University College London |
He has lectured at over 300 colleges and universities in the United States and abroad and held visiting positions at over a dozen, including Fulbright lectureships in Israel and India, and the Pitt Professorship of American History and Institutions at Cambridge University.