.: 2. Zürich, Atlantis-Verlag, 1967, sq.in-8°, 25 x 23 cm, 147 pp with ca. 80 full-page coloured ills., bibliography, publisher's cloth with d.w. (discoloured). Text in German. Monograph on the romanesque paintings (dated ca. 1160 !) on the wooden ceiling of the Zillis church in Switzerland (Graubunden). These paintings together with the paintings in St. Michael's church in Hildesheim are the only examples left of this art.