| Museum Bochum, Germany |
| Main menu | Techniques | DJK numbers | Alphabetically by title | Chronological | Thematic |
DJK 0543 Blossom of the Landscape – Landscape in Blossom, 1974
DJK 0547 Interspaces 2, 1974
DJK 0584 Sisyphus (Myth of the Burden), 1976
DJK 1680 Analysis of Light (1st study), 1979
| Main menu | Techniques | DJK numbers | Alphabetically by title | Chronological | Thematic |