- One
- Yves Gevaert Éditeur, Brussels, 1991
- plastic portable game
- Ask
- One
- Yves Gevaert Éditeur, Brussels, 1991
- plastic portable game
- Ask
contexts：
- Prospekt 80/2 Canada
- Jan Hoet, Michel Baudson
- Museum Van Hedendaagse Kunst, 1980 ⁄ soft cover
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- Drawings 1965 -1969
- Dan Graham
- Publication Studio ⁄ soft cover
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- Prospect 71 Projection
- Konrad Fischer / Jürgen Harten / Hans Strelow
- Art-Press Verlag, 1971 ⁄ soft cover
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- Recorded Activities
- Dianne Perry Vanderlip
- Moore College of Art, Philadelphia, 1970 ⁄ staple-bound with the supplement (Les Levine: The Information Fall-Out. A Paper for the catalog of Recorded activities 1970. 10 pages.)
- Ask