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

Ink and applied type on paper

Black and colored crayon on off-white wove paper

Black and colored crayons on off-white wove paper

Colored marker on paper

Black crayon on paper

Graphite on paper

Graphite on paper

Graphite and colored pencil on paper

Ink, colored wash, and typewritten text on paper

Graphite on paper

Russet crayon on paper

Graphite on paper