This is the fourth and final volume in a series which presents a complete corpus of all the church buildings that were built, rebuilt or simply in use in the Crusader Kingdom of Jerusalem between the capture of Jerusalem by the First Crusade in 1099 and the loss of Acre in 1291. This volume deals with the major coastal cities of Acre and Tyre, which were both in Frankish hands for almost two centuries, and also contains addenda and corrigenda to volumes...