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

Graphite on paper

Graphite on paper

Graphite on paper

Colored marker on paper

Colored crayons on paper

Black marker on paper

Colored marker on paper

Ink on paper

Colored marker and blue pen on paper

Black crayon on paper

Graphite and blue crayon on paper

Colored marker on paper