STRÖHER, Sammlung Karl. Bildnerrische Ausdrucksformen 1960-1970, Darmstadt: Hessischen Landesmuseum, 1970, 4°, coloured plates, original cloth -- International Directory of Contemporary Art, Milan: Metro, 1964, 4°, plates, a few coloured, original cloth, dust-jacket -- Aldo PELLEGRINI. New Tendencies in Art, New York: Crown, 1966, plates, a few coloured, original cloth -- Sammlung Sprengel, Hanover: Niedersächsisches Landesmuseum, 1965, 4°, illustrations, some coloured, original wrappers -- Documenta III. Handzeichnungen, [Cologne: M. DuMont Schauberg, 1964], 2 volumes, 4°, illustrations, some coloured, original boards. With 13 others, 2 in original cloth and the rest in original wrappers, all small quarto. (19)