Prefabricated Copper Houses, 1931-1932: Building type D1: basement and ground floor plans

Colored crayons on paper

Black and purple crayon on paper and mounted

Graphite on paper

Graphite on paper

Colored marker on paper

Graphite on paper

Graphite on paper

Graphite on paper

Graphite on paper envelope

Blue marker on paper

Graphite on paper

Graphite with red, blue, and yellow crayon ; graphite and blue crayon on paper