Artists' book / catalogue / multiple by John L. Tancock published in conjunction with show held at the Philadelphia Museum of Art, March 5 - April 4, 1971. Includes a preface by Evan H. Turner, director. The catalogue consists of heavy, brightly colored pages, and a closed bolt binding with snaps affixed to the covers so that they book can be positioned to stand as a column of fanned-out pages. Artists include: Abe Ajay, Otmar Alt, Arman, Jean Arp, Richard Artschwager, Enrico Baj, Mary Bauermeister, Miguel Berrocal, Joseph Beuys, Max Bill, Mel Bochner, Sandro Bocola, Hartmut Bohm, Agostino Bonalumi, Victor Bonato, Davide Boriani, Derek Boshier, Martha Boto, David Bradshaw, K.P. Brehmer, Marcel Broodthaers, Robert Bryant, Ursula Burghardt, Pol Bury, John Cage, Alexander Calder, Malcolm Carder, Enrico Castellani, Alik Cavaliere, Mario Ceroli, Thomas Chimes, Christo, Chryssa, Genevieve Claisse, Gianni Colombo, Kenelm Cox, Carlos Cruz-Diez, Bill Culbert, Allan D'Arcangelo, Sandro de Alexandris, Lucio Del Pezzo, H.R. Demarco, Walter De Maria, Jim Dine, Herbert Distel, Francesco marino di Teana, Piero Dorazio, Angel Duarte, Marcel Duchamp, Max Ernst, Michel Fadt, Rafael Ferrer, Robert Filliou, Lucio Fontana, Horacio Garcia-Rossi, Karl Gerstner, Gilbert & George, Ludwig Gosewitz, Hans Haacke, Raymond Hains, Etienne Hajdu, Richard Hamilton, Maurice Henry, Eva Hesse, Charles Hinman, Karl Horst Dodicke, Douglas Huebler, Fritz Hendertwasser, Jean Ipousteguy, Allen Jones, Howard Jones, Donald Judd, Iwao Kagoshima, Stephen Kaltenbach, Pierre Keller, Milan Knizak, Piotr Kowalski, David Lamelas, Fernand Leger, Julio Le Parc, Sol LeWitt, Roy Lichtenstein, Shoji Lida, Liliane Lijn, Richard Lindner, Yuan-Chia Li, Bernard Luginbuhl, Adolf Luther, Rene Magritte, Piero Manzoni, Enzo Mari, Marisol, Gino Marotta, Henri Matisse, Paul Matisse, Rory McEwen, Tomio Miki, Marcello Morandini, Francois Morellet, Robert Morris, Bruno Munari, Bruce Nauman, Louise Nevelson, Kazuo Okazaki, Claes Oldenburg, Dennis Oppenheim, George Ortman, Claus Paeffgen, Palermo, Pavlos, Henry Pearson, David Pelham, Alicia Penalba, Michelangelo Pistoletto, Sigmar Polke, Arnaldo Pomodoro, Gio Pomodoro, William Pye, Edival Ramosa, Robert Rauschenberg, May Ray, Martial Raysse, Paul Reich, George Rickey, Larry Rivers, James Rosenquist, Dieter Rot [Dieter Roth], Mimmo Rotella, Gerhard Rühm, Edward Ruscha, Lucas Samaras, Remo Saraceni, Pedroni Sarenco, Alan Saret, Nicholas Schoffer, Peter Sedgley, George Segal, Richard Serra, Richard Smith, Tony Smith, Robert Smithson, Kenneth Snelson, Francisco Sobrino, Keith Sonnier, Jesus Raphael Soto, Daniel Spoerri, Klaus Staeck, Klaus Staudt, Joel Stein, Saul Steinberg, Kumi Sugai, George Sugarman, Takis, Paul Palman, Takao Tanabe, Andre Thomkins, Joe Tilson, Jean Tinguely, Luis Tomasello, David Tremlett, Ernest Trova, Michael Tyzack, Raoul Ubac, Gunther Uëcker, De Wain Valentine, Gregorio Vardanega, Victor Vasarely, Wolf Vostell, Andy Warhol, Willy Weber, Lawrence Weiner, Gunter Wesler, Ludwig Wilding and Jean Pierre Yvaral.