Feder in Braun ["258mm x 191mm (Blatt)"] 23918
Feder in Braun ["289mm x 225mm (Blatt)"] 23006
Aquarell ["322mm x 493mm (Blatt)"] 1963-100
Feder in Braun, grau laviert ["193mm x 215mm (Blatt)"] 24007
Holzdruck ["690mm x 690mm (Blatt)"] 2002-2-1