The Long Haired Kings: And Other Studies in Frankish History (Routledge Library Editions: Medieval World)

Religion in Ancient History: Studies Ideas, Men and Events (Routledge Library Editions: The World)

The Medieval Foundations of England (Routledge Library Editions: World)

The Church in Early Irish Society (Routledge Library Editions: Medieval World)

Medieval Minds: Mental Health in The Middle Ages (Routledge Library Editions: World)