Prefabricated Copper Houses, 1931-1932: Building type K: plans and perspective sketches

Graphite with blue and yellow crayon on paper

Black crayon on paper

Ink on paper

Graphite and watercolor on paper

Graphite and transparent watercolor on cream wove paper

Colored marker on paper

Graphite on paper

Graphite on paper

Blue crayon on paper

Graphite on paper

Graphite and colored pencil on paper

Graphite on paper