Bahner Residence, Berlin, Klein-Machnow, 1933: Sketch of ground floor and first floor plans

Black marker on paper

Silverpoint on white wove paper

Colored crayons on paper

Black crayon on paper

Graphite on paper

Graphite on paper

Black and metallic marker on paper

Graphite on paper

Watercolor and black ink on gray silk mounted on gray card

Graphite and colored crayons on cream wove paper

Colored marker and adhesive label on paper

Graphite on paper