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

Graphite on paper

Graphite on paper

Graphite on paper

Graphite and colored crayons on paper

Graphite on paper

Black marker on paper

Graphite on paper

Charcoal on paper

Black pen on paper

Graphite on cream wove paper, squared

Black marker on paper

Black marker on paper