Prefabricated Copper Houses, 1931-1932: Building type K0: elevations, 1:50

Black and red marker on paper

Black marker on paper

Black ink on translucent vellum paper

Black and green crayon on paper

Graphite on paper

Charcoal, chalk, and graphite on paper

Black ink on cream wove paper

Colored marker and green pen on paper

Watercolor and black ink on off-white laid paper

Graphite on paper

Brown and gray crayon on paper

Colored marker and black pen on paper