Exhibition catalogue published in conjunction with show held at Städtische Kunsthalle Düsseldorf, Dusseldorf, Germany, January 18 - March 23, 1986. Traveled to Nationalgalerie Berlin, Stiftung Preubischer, Kulturbesitz, Berlin, Germany, April 25 - June 1, 1986; Kunsthalle Bern, Bern. Switzerland, June 13 - July 20, 1986; and Museum Mderner Kunst / Museum des 20. Jahrhunderts, Vienna, Austria, August 1 - September 21, 1986. Edited by Jürgen Harten. Catalogue raisonné by Dietmar Elger.