Tractatus duo (Petrus Blesensis)
Huygens
|
Raising Arms
Linder
|
Crusade Preaching and the Ideal Crusader
Tamminen
|
The Fourth Lateran Council and the Crusade Movement
Bird et al.
|
Warrior Neighbours
Burns et al.
|
Crusading in Frankish Greece
Chrissis
|
Poland, Holy War, and the Piast Monarchy, 1100-1230
von Güttner-Sporzyński
|