- A Female Apostle in Medieval Italy: The Life of Clare of Rimini
- Francesco: un passaggio. Donna e donne negli scritti e nelle leggende di Francesco d'Assisi
- Robert of Arbrissel: Sex, Sin, and Salvation in the Middle Ages
- The Canticle of Brother Sun: Francis of Assisi Reconciled
- To Govern Is to Serve: An Essay on Medieval Democracy