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

Black marker on paper

Black crayon on paper

Graphite on paper

Graphite on paper

Graphite and colored pencils on paper

Graphite on paper

Graphite on cream paper

Colored marker, black pen, and blue pen on paper

Black crayon on paper

Black ink on cream wove paper

Blue marker on paper

Watercolor on off white wove paper