Set of 10 books from the Werner Spies collection, New York, Abrams: - Max Ernst - collages I (vol 1 and 2) - Max Ernst - collages II - Max Ernst - From material to style (vol 3) - Picasso - The sculptures (vol 4) - The continent names Picasso (vol 5) - Paths to the twentieth century (vol 6) - Surrealism and its age (vol 7) - Between action painting and op art (vol 8) - From pop art and to the present (vol 9) - Litterature and business (vol 10)