Bahner Residence, Berlin, Klein-Machnow, 1933: Exterior stairway: plan and elevation, 1:20

Blue pen on paper

Colored marker on paper

Black crayon on paper

Colored marker and black pen on paper

Graphite on paper

Graphite and ink on paper

Colored marker on paper

Pressed flower, postcard, adhesive, and clack marker on paper

Flower stains on paper

Graphite on postcard

Black crayon on paper

Watercolor and graphite on off-white wove paper mounted to off-white card