- The Leper King and his HeirsBernard Hamilton
- The Medieval inquisitionBernard Hamilton
- Christian dualist heresies in the Byzantine world, c. 650-c. 1450Janet Hamilton, Bernard Hamilton et al.
- The Crusades (Pocket Histories)Bernard Hamilton
- The Christian world of the Middle AgesBernard Hamilton
- The Latin Church in the Crusader States: The Secular ChurchBernard Hamilton
- Prester John, the Mongols, and the Ten Lost TribesC. F. Beckingham, Bernard Hamilton
- Monastic reform, Catharism, and the Crusades, (900-1300)Bernard Hamilton