Housing Development, Berlin-Wannsee, 1930-1931: Seventh floor plan, 1:200

Black crayon on paper

Ink with blue and green crayon on paper

Black marker on paper

Graphite on off-white wove paper

Watercolor on cream wove paper

Colored marker on paper

Black crayon on paper

Graphite on paper

Black crayon on paper

Colored marker on paper

Watercolor on paper

Watercolor and black ink on off-white wove paper