Butterburn leave / Groot Hoefblad

Zechte Berk (Betula Pubescens)

Groeiprocessen 1967-1976, Kunstinformatie jaargang 2 no. 5, augustus 1976, Kunstcentrum Badhuis, Gorinchem, Holland (1-30)

Art Information Festival, Vleeshal - Townhall, Middelburg, september 13 - october 19. 1975, Art Information Centre

Photographic synthesus (Butterbur)

Erratic Art Mail International System - an alternative to the official Post Ofices, Other Book and So, Amsterdam

Exhibition Art Information Centre

PF 1978

Feedback Pieces (2 March - 11 April)

Bez názvu (mail artová pohlednice, Art Infromation Centre)