Untitled (Squares and Hemispheres), 1969
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Variations 25 (E2), 1969
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Variations Ochre, 1970
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Variations - Ochre, 1970
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Three Circles, 1970
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Tilted Rectangle - Red, 1976
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Untitled (Red Square), 1968
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Six Plus Six - Viridian, 1969
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Red Recess, 1970
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Six Plus Six - Orange, 1969
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Untitled (Colourband), c1976
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Three Browns - One Green, 1970
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Four Square, 1971
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Interjection, 1976
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Two Browns, 1971
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Lawn, 1976
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Tilted Greens, 1976
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Two Reds, 1975
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Untitled (Green Circles), 1969
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Translucent Rectangles, 1971
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Transmutation - Red, 1970
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Transmutation - Deep Crimson, 1970
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Orange Puce Centre, 1969
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Double Four - Ochre, 1969
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Untitled (Brown Centre), c1971
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Over Black I, 1971
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Untitled (Brushstrokes), 1980
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Over Black II, 1971
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Blue Centre, 1971
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Yellow to Purple, 1971
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Purple Centre, 1971
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