Farbige Kreiden ["332mm x 208mm (Blatt)"] 22942
Feder in Braun über Bleistift ["267mm x 215mm (Blatt)"] 1932-153
Pinsel in Tusche über Kohle ["580mm x 452mm (Blatt)"] 1951-61
Collage ["200mm x 155mm (Blatt)","160mm x 130mm (Bild)"] 1961-3