Prefabricated Copper Houses, 1931-1932: Building type D2: basement and ground floor plans

Graphite on paper

Charcoal

Colored marker on paper

Colored marker on paper

Black crayon on paper

Graphite on paper

Black and orange marker on paper

Brown ink on tan wove paper

black ink, black and red wash on off-white Japanese paper, mounted to off-white laid paper

Black crayon on off-white wove paper

Charcoal and pastel on paper

Ink on paper