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Angelo Quaglio Bhnenbild Tristan und Isolde. Aufzug der Urauffhrung von Richard Wagners Tristan und Isolde am Juni in Mnchen Bhnenmodell von Angelo Quaglio dimensional model by Angelo Quaglio for the set in act at the premiere production of Richard Wagner's Tristan und Isolde on June in Munich Klaus Gnzel Die deutschen Romantiker