Untitled # 5 (light olive), 1976 · Polyvinyl, latex on canvas · 229 x 229cm | Untitled #6 (aquamarine), 1976 · Polyvinyl, latex on canvas · 251 x 209cm | Untitled # 1 (slate), 1974 · Polyvinyl, latex on canvas · 335 x 152cm

Untitled

Circle East India, 1977 | Vermont, 1977 · Graugranit | Platinum Violet Triptych, 1979 · Oil on canvas · 282 x 169cm | Slate Triptych, 1979 · Latex, aluminium on canvas · 279 x 161cm | Vertical 85 Sculpture, 1983 · Woodburned Ponderosa, Pine, Pecan · 305 x 152 x 123cm

Vermont, 1977 · Graugranit · großer Kreis Ø=122cm, kleine Kreise Ø=61cm | Circle East India, 1977 · Rosenholz in 12 Teilen | Untitled # 7 (red), 1974 · Polyvenyl on canvas · 282 x 395cm

Circle East India, 1977 · Rosenholz in 12 Teilen | Untitled # 7 (red), 1974 · Polyvinyl, latex on canvas · 282 x 395cm | Untitled # 5 1967-1972 · Polyvinyl, latex on canvas · 290 x 290 cm

Vermont, 1977 · Graugranit | Vertical 85 Sculpture, 1983 | Untitled # 6, 1967-1972

Vermont, 1977 · Graugranit | Slate Triptych, 1979 · Latex, aluminium on canvas · 279 x 161cm |

Vermont, 1977 · Graugranit | Untitled # 6, 1967-1972