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

Blue crayon on paper

Graphite on white wove envelope

black and colored inks, applied type, typewritten text, and collage elements on composition board

Black chalk on white wove paper

Graphite on cream wove paper, squared

Black crayon on paper

Black marker on paper

Black crayon on paper

Black crayon on paper

Colored marker on paper

Black and red marker on paper

Graphite on off-white wove paper