Prefabricated Copper Houses, 1931-1932: Building types 2 and 2a: ground floor plan

Graphite on paper

Black marker on paper

Colored marker and black pen on paper

Black crayon on off-white wove paper

Black marker and tape on paper

Black crayon on paper

Black crayon on paper

Charcoal and black ink on cream laid paper

Black marker on paper

Graphite on paper

Black crayon on paper