Exhibition catalogue published in conjunction with show held September 1971. Text by Klaus Honnef. Artists include Joseph Beuys, Raimund Girke, Gotthard Graubner, Hans Haacke, Erwin Heerich, Konrad Klapheck, Bernd Koberling, Dieter Krieg, Markus Lüpertz, Heinz Mack, Palermo, Karl Pfahler, Sigmar Polke, Gerhard Richter, Diter Rot [Dieter Roth], Reiner Ruthenbeck, Bernard Schultze, Günther Uecker, F.E. Walther, and Stefan Wewerka. Includes biographies of the artists. Text in English and German.