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

Graphite on paper

Charcoal, black ink, and colored pencil on cream laid paper

Black marker on paper

Graphite on paper

Crayon on paper

Colored marker and blue pen on paper

Colored marker and black pen on paper

Mixed media

Paper

Black crayon on paper

Black crayon on paper

Black crayon on paper