history of warfare sword and the crucible : a history of the metallurgy of European swords up to the 16th century / by Alan Williams Op goede gronden : de eerste boeren in Noordwest-Europa / M.E.Th. de Grooth, G.J. Verwers history of warfare Cumulative bibliography of medieval military history and technology aspecten der economische politiek Europese economische integratie / E.W. Meier