- Lineages of European Political Thought: Explorations Along the Medieval/Modern Divide from John of Salisbury to Hegel
- Political Thought in Early Fourteenth-Century England: Treatises by Walter of Wilemete, William of Pagula, and William of Ockham (Arizona Studies in the Middle Ages and the Renaissance)
- Western Political Thought in Dialogue with Asia
- Speculum Sermonis: Interdisciplinary Reflections on the Medieval Sermon (Disputatio) (Disputatio)
- Nature, Goodness, and God: The History of Natural Law Theory