Zahlreiche Publikationen zur deutschen Literatur- und Kulturgeschichte. An Monographien erschienen Herder's Aesthetics and the European Enlightenment, (Ithaca and London: Cornell University Press 1991)|The Beautiful Soul: Aesthetic Morality in the Eighteenth Century, (Ithaca and London: Cornell University Press 1995)|Secret Germany. Stefan George and his Circle. A Cultural Biography, (Ithaca and London: Cornell University Press 2000).