- A History of the Crusades: 1.The First Crusade and the Foundations of the Kingdom of Jerusalem
- A History of the Crusades: 2.The Kingdom of Jerusalem and the Frankish East, 1100-1187
- A History of the Crusades: 3.The Kingdom of Acre and the Later Crusades
- The Fall of Constantinople 1453
- The Sicilian Vespers: A History of the Mediterranean World in the Later Thirteenth Century
- Walther Kirchner
- Jonathan Culpeper
- Harold J. Schultz
- Judith A.V. Harlan
- Robert M. Epstein
- J. Michael Allen
- Derek Davy
- Mike Breault
- Morton Smith
- Dave Brohman
- Alexander P. Kazhdan
- D. Scott Enright
- Michael Cheilik
- Rowena Reed
- Philip Olcott Stearns
- Andrew Pessin
- Speros Vryonis Jr.
- D.M. Palliser
- Valerie Adams
- N.F. Dryhurst