Prefabricated Copper Houses, 1931-1932: Building types S, S1: green house plan, elevation, and section, 1:20

Graphite and colored crayons on paper

Graphite and brown watercolor on paper

Graphite on paper

Colored crayons on paper

Graphite on paper

Graphite on paper

Black pen and blue marker on paper

Graphite on paper

Graphite on paper

Colored marker on paper

Black marker on paper

Colored and metallic marker on paper