Prefabricated Copper Houses, 1931-1932: Building types 2 and 2a: ground floor plan

Black marker on paper

Colored marker on paper

Black ink on cream wove paper

Ink with blue and olive crayon on paper with torn edges

Graphite on paper

Paper

Colored marker on paper

Black crayon on paper, mounted to paper

Graphite on paper

Graphite and colored pencil on paper

B/w photocopy on stationery, yellow opaque watercolor, and adhesive on paper

Graphite on paper