Schwarzer Stift ["192mm x 253mm (Blatt)"] 1915-574
Aquarell, Bleistift ["372mm x 482mm (Blatt)"] 2019-528
Schwarzer Stift ["313mm x 250mm (Blatt)"] 1916-443
Aquarell, Bleistift ["245mm x 485mm (Blatt)"] 1954-173