Prefabricated Copper Houses, 1931-1932: Building types L and L1: plans, 1:200

Black and red marker on paper

Graphite on paper

Graphite on paper

Black marker on paper

Graphite and colored crayons on paper

Colored marker on paper

Colored crayons on paper and mounted

Graphite on paper

Graphite and watercolor on paper

Colored marker and opaque watercolor on paper

Brown and red crayon on paper

Black crayon on paper