Exhibition catalogue published in conjunction with show held March 1 - April 20, 1975. Traveled to the Kunstmuseum Basel, May 10 - June 6, 1975; to the Städtische Galerie im Lenbachhaus, München, June 17 - August 31, 1975; to the Nationalgalerie Berlin Staatliche Museen Preußischer Kulturbesitz, September 17 - October 26, 1975; to the Kaiser Wilhem Museum, Krefeld, November 14, 1975 - January 4, 1976; to the Museum de 20. Jahrhunderts, Wien, January 14 - February 29, 1976; to the Kunstverein Hamburg, April - May 1976; to the Städtische Galerie im Städelschen Kunstinstitut Frankfurt am Main, June - July 1976; ... [details]