© Weltkulturerbe Deutschland UNESCO World Cultural Heritage - Preventive Conservation and Conservation Perspectives
© Weltkulturerbe Deutschland UNESCO World Cultural Heritage - Preventive Conservation and Conservation Perspectives
© Theory and Practice in the Conservation of Modern and Contemporary Art Theory and Practice in the Conservation of Modern and Contemporary Art
© Theory and Practice in the Conservation of Modern and Contemporary Art Theory and Practice in the Conservation of Modern and Contemporary Art
© Nachträge und Corrigenda zum Lexikon historischer Maltechniken Supplements and Corrigenda to the Dictionary of Historical Painting Techniques
© Nachträge und Corrigenda zum Lexikon historischer Maltechniken Supplements and Corrigenda to the Dictionary of Historical Painting Techniques
© 1000 Jahre St. Michael in Hildesheim. Kirche – Kloster – Stifter 1000 Years St. Michael's in Hildesheim. Church - Monastery - Founders
