Prefabricated Copper Houses, 1931-1932: Building type S: plan, 1:20

Charcoal on paper

Graphite on paper

Graphite on paper

Blue pen on adhered sheet and adhesive on paper

Colored crayons on paper

Graphite on paper

Graphite and red pencil on paper

Oil transfer and watercolor on paper, mounted on card

Black marker on paper

Gouache with traces of white chalk on dark gray cardboard

Watercolor and graphite on cream wove paper

Black marker on paper