He is at work on a book-length manuscript on Spanish translatio imperii et studii from the late fifteenth century to the mid-sixteenth century; "Property and Propriety in the Political Writings of Juan de Valdés" is part of a chapter on Valdés in that project. In addition to his work on the Spanish Renaissance and Baroque, he has published three articles on the Spanish Enlightenment and has done research in the relation of literary theory to literary history and painting.