Prefabricated Copper Houses, 1931-1932: Base, section (cancelled), 1:1

Charcoal on paper

Colored crayons on paper

Graphite and watercolor on paper

Black and red marker on paper

Colored marker on paper

Ink on paper

Aqua crayon on paper

Black crayon on paper

Graphite on paper

Black marker on paper

Black ink on tan laid paper; verso: graphite

Watercolor on paper