Prefabricated Copper Houses, 1931-1932: Building type S: foundation plan, 1:20

Colored marker on paper

Blue and red crayon on paper

Watercolor on thick off white wove paper

Graphite on paper

Paper

Graphite on cream wove paper

Black crayon on paper

Graphite on paper

Watercolor on paper

Black marker on paper

Graphite on paper

Graphite on paper