Prefabricated Copper Houses, 1931-1932: Window: details (cancelled), 1:1, 1:10

Graphite, colored pencil, blue ink, on vellum

Ink, wash, and graphite on paper

Graphite on paper

Black and green crayon on paper

Black crayon on paper

Black and brown marker on paper

Graphite on paper

Colored marker on paper

Blue pen and red felt-tipped pen

Black ink, white chalk and watercolor on paper

Graphite on paper

Graphite on paper