Prefabricated Copper Houses, 1931-1932: Building type K: plans and perspective sketches

Crayon on paper

Black and yellow crayon on paper

Silverpoint on white wove paper

Watercolor on paper

Paper

Black marker on paper

Graphite and colored crayons on paper

Graphite on paper

Graphite and colored crayon on paper

Graphite on paper

Black and red marker on paper

Black marker on paper