) "The Chronicle of the Third Crusade: The Itinerarium Peregrinorum et Gesta Regis Ricardi", 1997, ISBN 0-7546-0581-7* Runciman, Steven.
) "The Chronicle of the Third Crusade: The Itinerarium Peregrinorum et Gesta Regis Ricardi", 1997, ISBN 0-7546-0581-7* Runciman, Steven.