Prefabricated Copper Houses, 1931-1932: Building type S: plan, 1:20

Ink on vellum

Graphite and colored washes on paper

Graphite on off-white wove paper

Watercolor and chalk-pastel on white paper

Graphite and charcoal on paper

Mixed media

Black crayon on paper

Colored marker on paper

Colored marker, blue pen on paper, and adhesive on paper

Black and purple crayon on paper and mounted

Graphite and colored pencils on paper

Black and red marker on paper