Période d'activité
Œuvres (6)
1967
Milan
Arts Council Collection, Southbank Centre
1975
Rhythm from Three Intervals
Tate
1981
Pintail
Metropolitan Museum of Art
1990
Two Part-Eight Colour Painting (diptych)
Southampton City Art Gallery
1992
Water Pail
Yale University Art Gallery
High Bright
Bibliothèque nationale du pays de Galles