- SOTO 21.Mai – 30.Juni Kunsthalle Bern
- Kunsthalle Bern, 1968
- folding. newspaper format
- Ask
- SOTO 21.Mai – 30.Juni Kunsthalle Bern
- Kunsthalle Bern, 1968
- folding. newspaper format
- Ask
contexts：
- Abaca-Code
- Keith Sonnier
- Galerie Denise René Hans Mayer, Düsseldorf, 1976 ⁄ folding card
- Ask
- De nieuwe stijl: werk van de internationale avantgarde
- internationale galerij orez
- Galerij De Bezige Bij, 1965 ⁄ staple-bound
- Ask
- Zero und Paris 1960. Und heute.
- Renate Damsch-Wiehager
- Cantz 1997 ⁄ soft cover
- Ask
- Tendencije 5
- Božo Bek, Boris Kelemen, Marijan Susovski
- Galerija Suvremene Umjetnosti, 1973 ⁄ softcover
- Ask