Prefabricated Copper Houses, 1931-1932: Building type K2: basement and ground floor plans

Graphite on cream wove paper

Black marker on paper

Graphite on paper

Graphite on paper

Colored marker on paper

Graphite on off-white wove paper

Black and metallic marker on paper

Graphite on paper

Black crayon on off-white wove paper

Graphite on paper

Black marker, blue ink, paper, and adhesive on paper

Graphite on paper