Prefabricated Copper Houses, 1931-1932: Building type M3: plans, 1:50

Graphite with blue and purple crayon on paper

Black ink on cream wove paper

Colored marker and blue pen on paper

Black marker on paper

Black crayon on paper

Black and red marker on paper

Graphite on paper, mounted

Graphite on off-white wove paper

Graphite on off-white wove paper

Black and red marker and black pen on paper

Colored marker on paper

Graphite on paper, mounted