Prefabricated Copper Houses, 1931-1932: Building type K2: basement and ground floor plans

Black and blue marker on paper

Colored marker on paper

Graphite on paper

Black marker on paper

Graphite on paper

Black marker on paper

Purple crayon on paper

Graphite, watercolor, gouache, and black and yellow inks on off-white wove paper

Black crayon on paper

Black crayon on paper

Graphite on tan wove paper

Black crayon on paper