Prefabricated Copper Houses, 1931-1932: Building types 2 and 2a: ground floor plan

Graphite on paper

Graphite on paper

Blue ink and pressed flowers on paper

Colored marker and blue pen on paper

Graphite with green and purple crayon on paper

Black marker on paper

Colored marker on paper

Black ink on cream laid paper

Black crayon on paper

Graphite on paper, mounted

Black crayon on tan wove paper

Graphite, watercolor, and ink on paper