Edition Tusch

Maison du Jardin-Day

Michel Rubens

Home and Dominion Investments of Canada

Francis R. Esteban

City of Emeryville

William Carson, Douglas Williams

Museum Voor Schone Kunsten, Ghent

Antoon de Vijlder

Hecker Elektronik

Manfred Wutke

Dewag-Dia-Dresden

Johannes Brase