Exhibition catalogue published in conjunction with show held at the Biennale di Venezia, Italy, September 25 - October 10, 1969. Text by Umbro Apollonio, Franz Mon, Carlo Belloli, Arrigo Lora-Totino. Artists include Friedrich Achleitner, Vincenzo Agnetti, Pierre Albert-Birot, Guillaume Apollinaire, Alain Arias-Misson, Ronaldo Azeredo, Carlo Belloli, Max Bense, Mirella Bentivoglio, Jean-François Bory, Paolo Boschi, Edgard Braga, Claus Bremer, Jean Burka, Blanca Calparsoro, Augusto de Campos, Haroldo de Campos, Velemir Chlébnikov, Henri Chopin, Carlfriedrich Claus, Bob Cobbing, Fortunato Depero, Paul De Vree, Herman de Vries, Mario Diacono, Reinhard Döhl, Corrado d'Ottavi, François Dufrêne, Öyvind Fahlström, Heinz Gappmayr, Pierre Garnier, Mathias Goeritz, Eugen Gomringer, Bohumila Grögerova, José Lino Grünewald, Hains Bryen, Ian Hamilton Finlay, Raoul Hausmann, Helmut Heissenbüttel, Dick Higgins, Josef Hirsal, Dom Sylvester Houédard, Ernst Jandl, Joshi Raghunath, Hiro Kamimura, Kitasono Katue, Jiri Kolár, Ferdinand Kriwet, Arrigo Lora-Totino, Stéphane Mallarmé, Filippo Tommaso Marinetti, Hansjörg Mayer, Franz Mon, Edwin Morgan, Maurizio Nannucci, B.P. Nichol, Hans-Jørgen Nielsen, Seiichi Niikuni, Ladislav Novák, Claudio Parmiggiani, Décio Pignatari, Jindrich Procházka, Diter Rot (Dieter Roth), Gerhard Rühm, Kurt Sanmark, Aram Saroyan, Konrad Balder Schaüffelen, Siegfried J. Schmidt, Kurt Schwitters, Edward Lucie Smith, Mary Ellen Solt, Adriano Spatola, Vagn Steen, Shohachiro Takahashi, André Thomkins, Timm Ulrichs, Theo van Doesburg, Wolf Vostell, Emmett Williams, and Ilya Zdaniévitch (Iliazd). Includes checklist of the exhibition and artists' biographies. Illustrated in black-and-white. In Italian.