Prefabricated Copper Houses, 1931-1932: Building type K0: basement and ground floor plans, 1:50

Colored marker on paper

Graphite and blue crayon on paper

Black crayon on paper

Black marker, paper, and adhesive on paper

Colored marker on paper

Black and red marker on paper

Graphite on paper

Colored marker on paper

Gray marker on paper

Watercolor on paper

Watercolor over graphite on thin cream laid paper

Black marker on paper