Prefabricated Copper Houses, 1931-1932: Base: plans and details (cancelled), 1:1

Graphite on white paper

Graphite on paper

Ink on paper

Graphite with blue and yellow crayon on paper

Graphite and colored pencil on paper

Black crayon on paper

Charcoal on off-white wove envelope

Black crayon on paper

Graphite on paper

Black ink, partly over graphite, on cream laid paper.

Black and red marker on paper

Ink on paper