Prefabricated Copper Houses, 1931-1932: Building types S1: west elevation, 1:20

Colored marker on paper

Black marker on paper

Colored marker on paper

Graphite on cream wove paper

Black crayon on paper

Ink on paper

Colored crayons on paper and mounted

Watercolor on off-white Asian paper

Paper

Black crayon on paper

Blue pen on paper

Ink on paper