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

Black crayon on envelope

Graphite and crayon on paper

Colored marker on paper

Graphite and colored crayons ; graphite on paper

Black crayon on off-white wove paper

Colored crayons on paper

Colored marker on paper

Black ink on white laid paper

Graphite and colored pencil on heavy off-white wove paper

Paper

Graphite and applied type on paper

Red crayon on paper