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

Colored marker on paper

Graphite and ink on paper

Colored marker on paper

Graphite on paper

Black and colored crayon on off-white wove paper

Black crayon on envelope

Graphite and crayon on paper

Gouache, crayon, watercolor and charcoal on paper

Ink on paper

Black marker on paper

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

B/w photocopy on red and white paper and adhesive on sketchbook paper