Vito Acconci, Getulio Alviani, Laurie Anderson, Carl Andre, Art Workers Coalition, Avantgarde 61, Avantgarde 63, Lynda Benglis, Victor Burgin, Antonio Calderara, Christo, Johan Cornelissen, Marcel Duchamp, Jackie Ferrara, Robert Filliou, Fischli & Weiss, Lucio Fontana, Herbert Fuchs, CAYC, Wade Guyton, Ray Johnson, Allan Kaprow, Kinetic Art, Jiri Kolar, Thomas Lenk, Heinz Mack, Jonier Marin, Mario Merz, Bruce Nauman, Max Neuhaus, Hans-Ulrich Obrist, Francis Picabia, Otto Piene, Richard Prince, Robert Rauschenberg, Gerhard Richter, Niki de Saint-Phalle, Gerry Schum, 7 Produzentengalerie, Georgina Starr, André Thomkins, Günther Uecker, Ben Vautier, Herman de Vries, ZERO.

Marc Adrian, affiche, Josef Albers, N.E.Thing, Joseph Beuys, Barbara Bloom, Marcel Broodthaers, Alan Charlton, Donato Cinicolo, Computer Art, Concrete Poetry, Jan Dibbets, Braco Dimitrijević, E.A.T. Experiments in Art and Technology, Rupprecht Geiger, Luigi Ghirri, John Giorno, Robert Gober, Hans Haacke, Raymond Hains, Richard Hamilton, Ian Hamilton Finlay, Herman de Vries & Integration, Reimer Jochims, Martin Kippenberger, Monochrome Malerei, Sol LeWitt, Richard Long, Annette Messager, MoMA P.S.1, Robert Morris, Helga Philipp, Pop Art, Peter Roehr, Gerry Schum, Dash Snow, Günther Uecker, Timm Ulrichs, Wolf Vostell, Ryszard Winiarski, Gerd Winner.

Bas Jan Ader, Bernard Aubertin, George Brecht, Werner Büttner, Willem Breuker, Antonio Calderara, Lourdes Castro, Computer Art, Herman Damen, Marcel Duchamp, Dan Flavin, Lucio Fontana, Günter Fruhtrunk, Raimund Girke, Hermann Goepfert, Richard Hamilton, Jenny Holzer, Raimer Jochims, Martin Kippenberger, Christopher Knowles, Jannis Kounellis, Adam McEwen, François Morellet, Hermann Nitsch, Nove Tendencije, Otto Piene, Sigmar Polke, Karl Prantl, Markus Raetz, Gerhard Richter, James Rosenquist, Francis Newton Souza, Shinkichi Tajiri, Jorrit Tornquist, Jef Verheyen, Video, Herman de Vries, Lawrence Weiner, Cerith Wyn Evans.

Magdalena Abakanowicz, Vito Acconci, Richard Artschwager, Aspen Magazine, John Baldessari, Black Mask, Mel Bochner, Christian Boltanski, James Lee Byars, Ugo Carrega, Johan Cornelissen, Ad Dekkers, Robert Filliou, Dan Flavin, Fluxus, Henry Flynt, Lucio Fontana, Dan Graham, Richard Hamilton, Rebecca Horn, Icteric, Wassily Kandinsky, Allan Kaprow, Mary Kelly, Juljie Knifer, Sol LeWitt, Louis Lozowick, George Maciunas, Nouveau Realisme, Galeria Permafo, Richard Prince, Arnulf Rainer, Robert Rauschenberg, Gerrit Jan de Rook, Richard Serra, Seth Siegelaub, Richard Smith, Frank Stella, James Turrell, Cy Twombly, Günther Uecker, Ben Vautier, Lawrence Weiner, Workshop Freie Musik, Nil Walter, ZERO & GEAM.

Marina Abramović, Laurie Anderson, Carl Andre, Jacki Apple, John Baldessari, Robert Barry, Thomas Bayrle, Guillaume Bijl, BIT International, Mel Bochner, John Cage, John Cale, Jan Dibbets, Jim Dine, Rory McEwen, Dan Flavin, Fluxus, Hamish Fulton, Gilbert & George, Douglas Huebler, Robert Irwin, Sanja Iveković, Allan Kaprow, Martin Kippenberger, Andrzej Kostolowski, Sol LeWitt, Richard Long, Manon, Paul Neagu, Gina Pane. Sigmar Polke, Arnulf Rainer, Klaus Rinke, Dieter Roth, Richard Serra, Paolo Soleri, Ben Vautier, Wolf Vostell, Lawrence Weiner.

Vito Acconci, Carl Andre, John Baldessari, Joseph Beuys, Mel Bochner, Christian Boltanski, André Breton, James Lee Byars, Eugenio Carmi, Maurizio Cattelan, Robert Cumming, Marcel Duchamp, Dan Flavin, Paul-Armand Gette, Gilbert & George, Dan Graham, Guerrilla Girls, Dick Higgins, Susan Hiller, Dorothy Iannone, Robert Indiana, Ray Johnson, Allan Kaprow, Jannis Kounellis, Sol LeWitt, Richard Long, Agnes Martin, Robert Morris, Claes Oldenburg, Robert Rauschenberg, Ed Ruscha, Carolee Schneemann, Seth Siegelaub, Robert Smithson, Andy Warhol, Lawrence Weiner, La Monte Young & Marian Zazeela.

Vito Acconci, Mary Bauermeister, Thomas Bayrle & Berhard Jäger, Bernd & Hilla Becher, Carlo Belloli, Joseph Beuys, Jean-François Bory, Ian Burn, Alexander Calder, Antonio Calderara, Erik Dietman, Jean Dubuffet, Robert Filliou & Joachim Pfeufer, Sam Francis, Ken Friedman, Hamish Fulton, Félix Gonzalez-Torres, Dom Sylvester Houédard, Ken Cox, Don Judd, Kineticism, Junk Art, Imi Knoebel, Richard Long, Henri Matisse, Albert Oehlen, Claes Oldenburg, Electronic Art, Jackson Pollock, Robert Rauschenberg, Dieter Roth, Kurt Seligmann, Selten Gehörte Musik, Paul Sharits, Günther Uecker, Wolf Vostell, Herman de Vries

Mary Bauermeister, Joseph Beuys, Jean-François Bory, Ulises Carrión, COBRA, Concrete Poetry, DATO Galerie, Michael Druks, Hermann Goepfert, Ewardt Hilgemann, Martin Kippenberger, Reinhold Koehler, Jarosław Kozlowski, Sol LeWitt, Paul Maenz, MTL Galerie, Bruce Nauman, Nuclear Art, Albert Oehlen, Op Art, Openings Press, Dieter Roth, Tomas Schmit, Andre Thomkins, Rosemarie Trockel, Herman de Vries, Thomas Wachweger, Dorothee von Windheim, Fluxus Anthology, ZERO.

Vito Acconci, Carl Andre, John Baldessari, Jean-Michel Basquiat, Bernd & Hilla Becher, Joseph Beuys, KP Brehmer, Marcel Broodthaers, John Cage, Henri Chopin, Christo, Andy Goldsworthy, Gerard Hemsworth, Friedensreich Hundertwasser, Martin Kippenberger, Wolfgang Laib, Maurizio Nannucci, Albert Oehlen, galerie h, Dieter Roth, Seth Siegelaub, Endre Tót, Ulay, Ulm Hochschule für Gestaltung, Wolf Vostell, Emmett Williams

Marina Abramović, Elvira Bach, Barbara Bloom, Ulrike Bock, Sophie Calle, Judy Chicago, Hanne Darboven, Valie Export, Isa Genzken, Rebecca Horn, Dorothy Iannone, Françoise Janicot, Maria Lassnig, Lucy Lippard, Charlotte Moorman, Natalia LL, Anna Oppermann, Niki de Saint-Phalle, Katharina Sieverding, Elaine Sturtevant, Andrea Tippel, Rosemarie Tröckel, Rachel Whiteread, Suse Wiegand

Giovanni Anselmo, KWY, Leszek Brogowski, Günter Brus / Otto Muehl, Pol Bury, James Lee Byars, Andre Cadere, Jan Dibbets, Hans-Peter Feldmann, Lucio Fontana, Walter Gropius, Anton Heyboer, Interfunktionen, Martin Kippenberger, Sol LeWitt, MAG Magzazin, Hansjörg Mayer, Joan Miro, Jason Rhoades, Gerhard Richter, Jozef Robakowski, Dieter Roth, S.M.S., Jean Tinguely, Cy Twombly, Marian Warzecha, Ian Wilson.

Carl Andre, Keith Arnatt, Enrico Baj, Thomas Bayrle, Bernhard Jäger, Joseph Beuys, Julien Blaine, Marcel Broodthaers, Marcel Duchamp, Ger van Elk, Krijn Giezen, Verlag Kalender, Martin Kippenberger, Komar & Melamid, Sol LeWitt, Konrad Lueg, Mikron, Joan Miro, François Morellet, Tom Phillips, Otto Piene, Sigmar Polke, Gerhard Richter, Die SONDE, Swip Stolk, Gruppo T, Miroljub Todorović, Timm Ulrichs, Carel Visser, Wolf Vostell, Franz Erhard Walther.

Karel Appel, Henryk Berlewi, George Brecht, Michael Buthe, James Lee Byars, Rob Scholte, Joseph Beuys, Peter Downsbrough, Ger van Elk, Max Ernst, Carl Fernbach-Flarsheim, Frankfurter Projekt, Franck Gribling, Sigurdur Gudmundsson, Dorothy Iannone, Martin Kippenberger, Jiri Kolar, John Lennon & Yoko Ono, Lucy Lippard, Martin Maloney, François Morellet, Olivier Mosset, Eduardo Paolozzi, Phases, The Rolling Stones, Niki de Saint-Phalle, Wolfgang Schmidt, Herman de Vries, Andy Warhol, ZERO.

Giovanni Anselmo, Karel Appel, Art Placement Group, Robert Barry, Lothar Baumgarten, Stanley Brouwn, Jan Dibbets, Drakabygget, Hans-Peter Feldmann, Robert Filliou, Ian Hamilton Finlay, Hamish Fulton, Allan Kaprow, Peter Klasen, Arthur Köpcke, Joseph Kosuth, Tetsumi Kudo, Richard Long, François Morellet, Panamarenko, Gerhard Richter, The Rolling Stones, Ed Ruscha, Daniel Spoerri, Jean Tinguely, Lawrence Weiner.

Helena Almeida, Art & Language, Thomas Bayrle, Hans Bellmer, Joseph Beuys, George Brecht, KP Brehmer, Marcel Broodthaers, Henri Chopin, Christo, Jeffrey Deitch, Hans-Peter Feldmann, Ian Hamilton Finlay, Hamish Fulton, Allan Kaprow, Mary Kelly, John Latham, Sol LeWitt, Helmut Löhr, Gherasim Luca, Robert Morris, Blinky Palermo, Eduardo Paolozzi, Otto Piene, Anne & Patrick Poirier, Ed Ruscha, Robert Smithson, Wolfgang Tillmans, Cy Twombly, Wolf Vostell, ZERO.

Giovanni Anselmo, Bernd & Hilla Becher, Joseph Beuys, Christian Boltanski, Antonio Calderara, Marcel Duchamp, Man Ray, Lucio Fontana, Douglas Huebler, Asger Jorn, Martin Kippenberger, Joseph Kosuth, Richard Long, Mario Merz, Otto Muehl, Hermann Nitsch, Maurizio Nannucci, Eduardo Paolozzi, Michelangelo Pistoletto, Niele Toroni

Miles Aldridge, Jean-Michel Basquiat, Barbara Bloom, James Lee Byars, Sophie Calle, Eugene Feldman, Fluxus, John Giorno, Keith Haring, Douglas Huebler, On Kawara, Martin Kippenberger, Jeff Koons, John Lennon, Yoko Ono, Benjamin Patterson, Octavio Paz, Sigmar Polke, Sonya Rapoport, Gerhard Richter, Ed Ruscha, Suzanne Santoro, Elaine Sturtevant, Keiichi Tanaami, Andy Warhol

Christian Boltanski, Michael Gibbs, Otto Piene, Noah Purifoy, Cy Twombly, Richard Long, Lothar Baumgarten, Joseph Beuys, Marc Camille Chaimowicz, Sol LeWitt, Robert Barry, Josef Albers, Raymond Hains, Ana Maria Pacheco, Victor Burgin, James Lee Byars, Karl Gerstner, Daniel Spoerri, Marcel Duchamp, François Morellet, Art & Language, Daily-Bul

Arte Povera, Georg Baselitz, Joseph Beuys, Rolf Dieter Brinkmann, Marcel Broodthaers, Stanley Brouwn, James Lee Byars, Damien Hirst, David Hockney, Robert Indiana, Jeff Koons, Michel Larionov, Sol LeWitt, Markus Lüpertz, Bruno Munari, Hermann Nitsch, A.R. Penck, Sigmar Polke, Gerhard Richter, Antoni Tapies, André Thomkins, Cy Twombly, Andy Warhol.

Carl Andre, Joseph Beuys, Christo, Constant, Ian Hamilton Finlay, Dick Higgins, Asger Jorn, Ray Johnson, Joseph Kosuth, Urs Lüthi, Edition MAT, François Morellet, Hermann Nitsch, Revue NUL, Géza Perneczky, Gerhard Rühm, Richard Serra, Daniel Spoerri, Wolf Vostell, Andy Warhol.

Please click here or on image

Carl Andre, Bernd & Hills Becher, Bernhard Blume, Marcel Broodthaers, Günter Brus, Robert Crumb, Hans-Peter Feldmann, Fischei & Weiss, Dan Flavin, Hans Haacke, Helmut Hessenbüttel, Asger Jorn, Franz Von, Géza Perneczky, Bruce Neumann, Otto Piene, Arnulf Rainer, Gerhard Richter, Gerhard Rühm, Gianni-Emilio Simonetti, Joaquin Torres-Garcia, Günther Uecker, Franz Erhard Walther.

Alighiero Boetti, Marcel Broodthaers, Günter Brus, James Lee Byars, Christo, Fischli & Weiss, Gilbert & George, Richard Hamilton, Asger Jorn, Sol LeWitt, Bruce Nauman, Michelangelo Pistoletto, Markus Raetz, Gerhard Richter, Dieter Roth, Andy Warhol …

Please click on image to view the catalogue:

Karel Appel, Keith Arnatt, Peter Blake, Victor Burgin, Agnes Denes, Marcel Duchamp. Ian Hamilton Finlay, Keith Haring, Friedensreich Hundertwasser, Allan Kaprow, Olivier Mosset, Eduardo Paolozzi. Sigmar Polke, Seth Siegelaub, Jean Tinguely, Wolf Vostell …

Please click on image to view the catalogue:

Thomas Bayrle, Joseph Beuys, Marcel Broodthaers, Christo, Enzo Cucchi, Jan Dibbets, Raimund Girke, Jiri Kolar, Gordon Matta-Clark, Nam June Paik, Otto Piene, Sigmar Polke, Gerhard Richter, Dieter Roth, Antoni Tapies, Wolf Vostell …

Please click on image to view the catalogue:

Christian Attersee, Günter Brus, Werner Büttner, Albert Oehlen, Al Hansen, K.H. Hödicke, Martin Kippenberger, Bernd Koberling, Maria Lassnig …

Please click on image to view the catalogue:

Art & Language, John Baldessari, Alighiero Boetti, Christian Boltanski, George Brecht, James Lee Byars, Marcel Broodthaers, Hanne Darboven, Hans-Peter Feldman, Gilbert & George, Damien Hirst, Allan Kaprow, Martin Kippenberger, Kisho Kurokawa, Agnes Martin, Claes Oldenburg, Julian Opie, Sigmar Polke, Robert Rauschenberg, Gerhard Richter, Dieter Roth, Ed Ruscha, George Segal, Seth Siegelaub, Patti Smith, Pat Steir, Andy Warhol. William Wegman …

Please click on image to view the catalogue:

Hans Bellmer, Brassai, Victor Brauner, Jan Brzekowski, Max Ernst, Natalie Goncharova, Velimir Khlebnikov, David Burliuk, Solomon Telingater, Olga Rozanova, Aleksei Kruchenykh, Michel Larionov, Vladimir Mayakovsky, Edvard Munch, Kurt Seligmann, Nicolas de Stael, Fernand Leger …

Please click on image to view the catalogue:

Carl Andre, Giovanni Anselmo, Hans Arp, Art & Language, John Baldessari, Robert Barry, George Brecht, Baron Brock, Marcel Broodthaers, Stanley Brouwn, Victor Burgin, Christo, Wim Delvoye, Jan Dibbets, Marcel Duchamp, Raoul Hausmann, Dick Higgins, Gottfried Honegger, Ray Johnson, Allen Jones, Allan Kaprow, Carl Laszlo, Richard Long, Jackson MacLow, Piero Manzoni, Christian Megert, Franz Mon, Jonathan Monk, Hanry Moore, Charlotte Moorman, Nam June Paik, François Morellet, Luigi Ontani, Elizabeth Peyton, Dieter Roth, Wolf Vostell …

Please click on image to view the catalogue:

Vito Acconci, David Askevold, John Baldessari, Joseph Beuys, Christian Boltanski, Claus Bremer, Marcel Broodthaers, Günter Brus, Christo, Jan Dibbets, Peter Downsbrough, Dan Graham, Raoul Hausmann, Stephen Kaltenbach, Allan Kaprow, Alison Knowles. Shigeko Kubota, Mario Merz, Meret Oppenheim, Nam June Paik, Dieter Roth, Gerhard Rühm, Tomas Schmit, Wolf Vostell, Rachel Whiteread, Emmett Williams …

Please click on image to view the catalogue:

Giovanni Anselmo, John Baldessari, Carlo Belloli, Joseph Beuys, George Brecht, Claus Bremer, Hanne Darboven, Hans-Peter Feldmann, Robert Filliou. Richard Hamilton, Dick Higgins, Arthur Köpcke, Les Krims, Sol LeWitt, Claes Oldenburg, Nam June Paik. Ben Patterson, Mimmo Rotella, Dieter Roth, Gerhard Rühm, Wolf Vostell, Lawrence Weiner …

Please click on image to view the catalogue:

The Mail Art Archive of Hansjoachim Dietrich.

Please click on image to view the catalogue:

Carl Andre, Bernd & Hilla Becher, Marcel Broodthaers, Günter Brus, Sophie Calle, Bernd Ebeling, Gilbert & George, Eugen Gomringer, Antony Gormley, Markus Lüpertz, Hansjörg Mayer, Hermann Nitsch, Eduardo Paolozzi, Mel Ramos, Martin Kippenberger, Yvon Taillandier, Niele Toroni, Walasse Ting, Günther Uecker, Lawrence Weiner …

Please click on image to view the catalogue:

Karel Appel, Robert Barry, Joseph Beuys, Christian Boltanski, Louise Bourgeois, Stanley Brouwn, John Cage, Ulises Carrion, Giuseppe Chiari, Fluxus, Richard Hamilton, Allen Jones, Paul Maenz, Charlotte Moorman, Bruno Munari, Nam June Paik, Seth Siegelaub, Michael Snow, Ben Vautier, Wolf Vostell …

Please click on image to view the catalogue:

Robert Barry, Christian Boltanski, Daniel Buren, Hamish Fulton, Gorgona magazine, René Groebli, David Hockney, Davi Det Hompson, Ray Johnson, Sol LeWitt, Lucy Lippard, Richard Long, George Maciunas, Mario Merz, Annette Messager, Maurizio Nannucci, Dieter Roth, Seth Siegelaub, Wolf Vostell, WET magazine …

Please click on image to view the catalogue:

Karel Appel, Lothar Baumgarten, Joseph Beuys, René Block, KP Brehmer, Bazon Brock, Stanley Brouwn, Konrad Lueg, Ben Patterson, Nam June Paik, Sigmar Polke, Gerhard Richter, Dieter Roth, Daniel Spoerri, Klaus Staeck, Wolf Vostell, Stefan Wewerka …

Please click on image to view the catalogue: