Prefabricated Copper Houses, 1931-1932: Building type K0: basement and ground floor plans, 1:50

Black and colored crayons on off-white wove paper

Colored marker on paper

Black marker on paper

Blue marker on paper

Graphite on cream wove paper

Graphite on paper

Black and green marker on paper

Blue crayon on paper

Graphite on paper

Graphite on paper

Black marker on paper

Black crayon on paper