Prefabricated Copper Houses, 1931-1932: Ground floor plan, 1:50

Colored marker on paper, adhesive, and black marker on paper

Black crayon on paper

Black marker on paper

Black ink on off-white laid paper

Ink on paper

Colored pencil on cream wove paper

Graphite and colored crayon on paper

Graphite on paper

Black crayon on tan laid paper

Colored marker and blue pen on paper

Black and red marker on paper

Graphite and watercolor on paper