LOHBERG, Gabriele. Fritz Winter. Leben und Werk, Munich: Bruckmann, [1986], 4°, illustrations, some coloured, cloth, dust-jacket -- Werner SPIES. Victor Vasarely, [Cologne:] M. DuMont Schauberg, [1971], 4°, illustrations, some coloured and folding (a few leaves detached), cloth, dust-jacket. With 2 other books including Horst Keller's Cavael (Munich, 1984). (4)