The anthropology and history of art and material culture, especially in equatorial Africa and the western Indian Ocean; comparative work on themes such as memory, miniaturisation, and the experience of the environment
- Cataloguer Emeritus of Oriental Manuscripts, Saint John's University
The history of medicine and science in medieval Islam; medieval Arabic artefacts and treatises relating to ophthalmology, anatomy, cartography (celestial and terrestrial), and divinatory techniques
The Mongol Empire & its relations with the Catholic West; the Crusades & the Latin East; & the eastern Islamic world in the Middle Ages.
The history and politics of modern China, with special attention to traditions of rebellion and revolution and their influence on contemporary patterns of protest and governance