Prefabricated Copper Houses, 1931-1932: Base: plans and details (cancelled), 1:1

Graphite on paper

Colored marker and black pen on paper

Paper

Colored crayons on paper

Purple crayon on paper

Black marker on paper

Black crayon on paper

Graphite and colored pencil on paper

Colored marker on paper

Graphite on paper

Graphite on paper

Black marker on paper