opus War in European history / [by] Michael Howard European weapons and armour : from the Renaissance to the Industrial Revolution / Ewart Oakeshott ; with line illustrations by the author Státní zámek opono : Historické Zbranê = Schloß Opocno : Historische Waffen = The Opocno Castle : Historical arms European weapons and armour : from the Renaissance to the Industrial Revolution / Ewart Oakeshott ; with line illustrations by the author history of military thought : from the Enlightenment to the Cold War / Azar Gat