Exhibition catalogue published in conjunction with exhibition held November 1973. Essay by Germano Celant. Includes: Germano Celant, Jean Dubuffet, Lawrence Weiner, Sandro Chia, Joseph Beuys, Antonio Dias, Robin Mackenzie, Reiner Ruthenbeck, Jan Dibbets, Andy Warhol, Franca Sacchi, F.T. Marinetti, Henri Nouveau, Kurt Schwitters, Yves Klein, Asger Jorn, Ben, Karel Appel, Jean Tinguely, Mimmo Rotella, François Dufrene, Raoul Hausmann, Marcel Duchamp, Charles R. Hulbeck [Richard Huelsenbeck], Bernar Venet, Robert Whitman, Bruce Nauman, Jean Dupuy, T Bruynel, Terry Fox, Richard Artschwager, Kopcke, T. Bruynel, D. Railmakers, R. Hains, Peter Struycken, Sarkis, Marina Abramovic, Jim Dine, Pieter Engels, Valerio Adami, H. Martin, Christian Boltanski, E. Radiguez, Fernando de Filippi, G. Notargiacomo, Ian Murray, Angelo Bozolla and Art by Telephone. Edited by Roselee Goldberg. Text in English