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Paolo Alessandro Maffei. Paolo Alessandro Maffei Wien sterreichische Nationalbibliothek Bildarchiv und Grafiksammlung Portrtsammlung InventarNr PORT sterreichische Nationalbibliothek Bilddatei onB portraitindex de baa onb at Forzoni del Allegrini inci PDold engravings Paolo Alessandro Maffei Files from Digitaler Portraitindex