- If I Had A Mind… (Ich Stelle Mir Vor…) Concept-Art / Project-Art
- M. Dumont Schauberg, 1971
- softcover
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- If I Had A Mind… (Ich Stelle Mir Vor…) Concept-Art / Project-Art
- M. Dumont Schauberg, 1971
- softcover
- Ask
Eric Andersen, Marina Apollonio, Jared Bark, Paul Berry, Christo, Dadamaino, Jochen Gerz, Eva Hesse, Joseph Kosuth, Jannis Kounellis, Peter Kuttner, Tony Morgan, Konrad Balder Schäuffelen, HA Schult, William Louis Sörensen, Janos Urban, Timm Ulrichs
contexts：
- The Location of Straight, Not-Straight & Broken Lines and all their Combinations
- Sol LeWitt
- John Weber Gallery, New York, 1976 ⁄ softcover
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- Art As Idea As Idea 1967-1968
- Joseph Kosuth
- Paul Maenz, Brussels, 1973 ⁄ softcover
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- Experiments in Prose
- Eugene Wildman
- Swallow Press, Chicago, 1969 ⁄ hardcover ⁄ - ⁄ Bruce Kaplan, Jochen Gerz, John Mattingly, Charles Doria, AN Peri, Herb Dupre, Jean-François Bory, John Matthias, Shouri Ramanujan, Alain Arias-Misson, Ronald Tavel, Eugene Wildman, William Hunt, Josef Vojáček, Odessa Burns, Richard Kostelanetz, Steven Katz, Richard Astle, Emily Leider, Tristes Delarue, Robin Magowan, Eden Wildblum, Julien Blaine
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- Postkarten – Carte postale – Correspondenzkarten. Stilkunde an Beispielen.
- Johannes Cladders, J & J
- Städtisches Museum, Mönchengladbach, 1974 ⁄ a cardboard box containing 40 postcards, 2 sheets, 20 tabs ⁄ edition of 330 ⁄ - ⁄ Contains 20 artist postcards by Ben Vautier, Joseph Beuys, Christian Boltanski, Marcel Broodthaers, Daniel Buren, Christo, Chuck Close, Marcel Duchamp, Robert Filliou, Gilbert & George, Jean-Olivier Hucleux, Yves Klein, Jean Le Gac, Fernand Léger, Hermann Nitsch, Claes Oldenburg, Panamarenko, Pablo Picasso and George Segal
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