Prefabricated Copper Houses, 1931-1932: Building type K1: basement and ground floor plans

Black crayon on paper

Graphite and colored pencil on paper

Black and gray marker on paper

Graphite on paper

Colored marker on paper

Black crayon on paper

Graphite on paper

Black marker on paper

Graphite on cream wove paper

Graphite on paper

Graphite on paper

Graphite on paper and mounted