Prefabricated Copper Houses, 1931-1932: Building types 1a and 1b: ground floor plan

Black ink on off-white wove paper

Graphite on paper

Graphite on paper

Paper

Colored marker on paper

Gouache, watercolor, graphite, and colored pencil on paper, double-sided

Graphite on paper

Graphite on paper

Black crayon on paper

Black and red marker on paper

Graphite on cream wove paper

Black marker on paper