De Bende van de
Blauwe Hand
 
The Band of the Blue Gang at Gallery Al-Veka, The Hague, 1965
from left to right: Annemarie Hoeksma, Meindert de Vries, Jan Lanting, Paul Panhuysen
The Family Boomsma, Municipality Museum The Hague, 1967 Manifest ‘Kunst is voortaan non-object kunst’, 1967 Magazine Bla Bla 1, 1965
from left to right: Meindert de Vries, Paul Panhuysen, Josum Walstra, Harmen Abma, Lucie Adelaar, Jan Stroosma, Jan Lanting