- En Bloc / edition 20, galerie rené block, berlin 1969/70
- Galerie Denise René Hans Mayer, Düsseldorf, 1969
- Invitation. offset with fold-out section and illustrations of a work by each artist. 21 cm x 11 cm x 0.3 cm
- Joseph Beuys, KP Brehmer, Bazon Brock, Hans Joachim Dietrich, Karl Horst Hödicke, Imi Giese, Imi Knoebel, Bernd Lohaus, Konrad Lueg, Blinky Palermo, Sigmar Polke, Gerhard Richter, Gerhard Rühm, Dieter Rot, Reiner Ruthenbeck, Tomas Schmit, Wolf Vostell, Stefan Wewerka, Lambert Maria Wintersberger
- Ask


- En Bloc / edition 20, galerie rené block, berlin 1969/70
- Galerie Denise René Hans Mayer, Düsseldorf, 1969
- Invitation. offset with fold-out section and illustrations of a work by each artist. 21 cm x 11 cm x 0.3 cm
- Joseph Beuys, KP Brehmer, Bazon Brock, Hans Joachim Dietrich, Karl Horst Hödicke, Imi Giese, Imi Knoebel, Bernd Lohaus, Konrad Lueg, Blinky Palermo, Sigmar Polke, Gerhard Richter, Gerhard Rühm, Dieter Rot, Reiner Ruthenbeck, Tomas Schmit, Wolf Vostell, Stefan Wewerka, Lambert Maria Wintersberger
- Ask
Joseph Beuys, KP Brehmer, Bazon Brock, Hans Joachim Dietrich, Karl Horst Hödicke, Imi Giese, Imi Knoebel, Bernd Lohaus, Konrad Lueg, Blinky Palermo, Sigmar Polke, Gerhard Richter, Gerhard Rühm, Dieter Rot, Reiner Ruthenbeck, Tomas Schmit, Wolf Vostell, Stefan Wewerka, Lambert Maria Wintersberger