Prefabricated Copper Houses, 1931-1932: Building type M2: plans

Black crayon on tan wove paper

Graphite, watercolor, and ink on paper

Mixed media on brown paper

Colored marker and black pen on paper

Graphite on paper

Graphite on paper

Black marker on paper

Colored crayons on paper

Black ink on translucent vellum paper

Black crayon on paper

Watercolor on paper

Black crayon on paper