Prefabricated Copper Houses, 1931-1932: Building type M2: elevations, 1:50

Black crayon on paper

Black marker, blue ink, paper, and adhesive on paper

Colored marker on paper

Graphite on paper

Black crayon on paper

Graphite on paper

Black and red marker on paper

Black crayon or charcoal on paper

Black marker on paper

Ink on on blotter paper

Graphite on paper

Graphite with yellow, blue, and purple crayons on paper