Exhibition catalogue published in conjunction with show held at the Neuer Berliner Kunstverein in collaboration with DAAD and the Berliner Festspielen, Berlin, Germany, September 9 – October 3, 1973. Artists featured in the exhibition include Robert Filliou, Allan Kaprow, Wolf Kahlen, Wolf Vostell, Taka Iimura, and Mario Merz. Illustrated throughout in black-and-white, with some pages printed in red. Some pages also drawings printed onto vellum. With bibliography, filmography, and videography. Bubble wrap wrappers. Text in German.