Proprietorial warfare --Weapons of war -- War, society and technology -- Warfare and authority -- Men of war : cavalry -- Men of war : infantry -- Nature of the castle -- Castles and war -- Fortifications and siege -- Armies -- Commanders -- Campaign, battle and tactics -- Battle and the development of war -- Europe, ideology and the outsider -- Crusading and warfare in the Middle East -- Perspectives -- Appendix I : The Battle of Bouvines, 27 July 1214.