Dienstleistung Kunstgeschichte？. Art History on Demand？ (Paperback) - 100 Jahre Institut fur Kunstgeschichte Universiat Bern Festschrift Bd.2 (z. Tl. in engl. u. franzos. Sprache)
Nine Letters on Landscape Painting: Written in the Years 1815-1824, with a Letter from Goethe by Way of Introduction (Paperback) - Written in the Years 1815-1824, With a Letter from Goethe by Way of Introduction
