Sonsbeek 71 CreatorCollectie NAGODate of creation1971CollectionCollection Dutch Graphic Designers Archives Foundation
Co Westerik CreatorCollectie NAGODate of creation1971CollectionCollection Dutch Graphic Designers Archives Foundation
Barnett Newman, Grand Palais Paris CreatorCollectie NAGODate of creation1972CollectionCollection Dutch Graphic Designers Archives Foundation
Fodor CreatorCollectie NAGODate of creation1972-1977CollectionCollection Dutch Graphic Designers Archives Foundation