ZT/Le savant Circa 1984 Title Year Constant | Aquarellen 1987 1987 Constant 1984 1984 Title Year Constant. Les Aquarelles 1994
ZT/Hond Circa 1950No TIFF image available Title Year Cobra 1987 Bibliotheque de Cobra | Constant 1950
De vogelman Title Year Cobra, la couleur spontanée 2018 Cobra, la couleur spontanée 2017 The Avant-Garde Won’t Give Up 2015 Cobra, post Cobra 1991 Title Year The Avant-garde Won't Give Up 2017