Prefabricated Copper Houses, 1931-1932: Greenhouse plan, elevation and section, 1:20

Black marker on paper

Graphite on paper

Black and colored crayons on off-white wove paper

Black marker on paper

Ink, wash, and graphite on paper

Black marker and blue pen on paper

Gray marker on paper

Graphite on paper with irregular left edge

Ink and graphite on paper

Graphite on off-white wove paper

Colored marker on paper

Black crayon on off-white wove paper