Feder in Braun ["258mm x 191mm (Blatt)"] 23918
Feder in Braun ["289mm x 225mm (Blatt)"] 23006
Feder in Braun über Bleistift ["267mm x 215mm (Blatt)"] 1932-153
Collage ["200mm x 155mm (Blatt)","160mm x 130mm (Bild)"] 1961-3