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

Colored marker on paper

Graphite on paper

Blue and black pen on paper

Graphite on paper

Black and red marker on paper

Black crayon on paper

Graphite on cream wove paper

Black ink on translucent vellum paper

Black crayon on paper

Colored marker and blue pen on paper

Colored marker on paper

Graphite on cream wove paper