Prefabricated Copper Houses, 1931-1932: Building type K0: elevations, 1:50

Black ink on tan wove paper

Black crayon on paper

Graphite, partially erased, on white wove paper

Black and red marker on paper

Ink on paper

Graphite on paper

Graphite on paper

Colored crayon on paper

Graphite on paper

Ink on paper

Black crayon on tan wove paper

Graphite on paper