Feder in Braun ["258mm x 191mm (Blatt)"] 23918
Feder in Braun ["289mm x 225mm (Blatt)"] 23006
Pinsel in Braun über schwarzer Kreide ["340mm x 465mm (Blatt)"] 24005
Collage ["200mm x 155mm (Blatt)","160mm x 130mm (Bild)"] 1961-3