Exhibition catalogue published in conjunction with show held August 13 - September 28, 1975. Text by Norman Reid and Barbara Rose. Documents exhibition checklist for seven exhibitions : Green Gallery, New York, 1961; Kasmin Gallery, London, 1963; Kasmin Gallery, London; 1967; Galleria dell'Ariete, Milan, 1969; Kasmin Gallery, London, 1969; Kasmin Gallery, London, 1972; and Tate Gallery, London, 1975. Includes biography, selected exhibition history, writings by the artist, selected articles, reviews and exhibition catalogues.