- ·Organic composition, sketch
- ·1974
- ·50 cm
- ·Ink, paper
- ·00.280.2.
- ·Organic composition, sketch
- ·1974
- ·50 cm
- ·Ink, paper
- ·00.280.3.
- ·Organic composition, sketch
- ·1974
- ·43 cm
- ·Ink, paper
- ·00.280.4.
- ·Organic composition, sketch
- ·1974
- ·43 cm
- ·Ink, paper
- ·00.280.5.
- ·Organic composition, sketch
- ·1974
- ·51 cm
- ·Ink, paper
- ·00.280.16.
- ·Organic composition, sketch
- ·1974
- ·51 cm
- ·Ink, paper
- ·00.280.17.