Kohle auf Transparentpapier ["250mm x 190mm (Blatt)"] 1914-280
Kohle auf Transparentpapier ["251mm x 192mm (Blatt)"] 1914-279
Collage ["210mm x 145mm (Blatt)"] 1975-16
Collage ["200mm x 155mm (Blatt)","160mm x 130mm (Bild)"] 1961-3