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

Black crayon on envelope

Graphite and colored pencil on paper

Aqua crayon on paper

Graphite and colored pencils on paper

Charcoal on gray paper

Black, blue and olive crayon on paper

Colored crayons on paper

Black ink over graphite on cream wove paper

Black crayon on paper

Blue and black marker and graphite on paper

Graphite and colored crayons on off-white wove paper

Red marker and black pen on paper