Prefabricated Copper Houses, 1931-1932: Building types S, S1: green house plan, elevation, and section, 1:20

Graphite on cream wove paper

Spruce green crayon on paper

Graphite on off-white wove paper

Black and red marker on paper

Blue marker and black pen on paper

Blue and black marker on paper and translucent film

Colored marker on paper

Graphite on paper

Charcoal on cream wove paper

Graphite on paper

Graphite on paper

Colored marker on paper