Zurich, Switzerland and London: Gimpel & Hanover Galerie and Gimpel Fils Gallery, 1964. First edition. Softcover. Exhibition catalog for a show that ran May 16 through June 20, 1964 in Zurich, Switzerland and June 30 through August 15, 1965 in London. Includes with the covers 20 illustrations of which 4 are in color. A clean near fine copy in stapled wrappers.