- The Revolt of Owain Glyn Dwr
- The First English Empire: Power and Identities in the British Isles 1093-1343
- Owain Glyndwr: Prince of Wales
- The Age of Conquest: Wales 1063 - 1415 (Oxford History of Wales, 2)
- Domination and Conquest: The Experience of Ireland, Scotland and Wales, 1100 - 1300 (The Wiles Lectures)









