Prefabricated Copper Houses, 1931-1932: Building types S and S1: roof elevation and sections, 1:10

Black pen on paper

Graphite on paper

Colored marker on paper

Black marker on paper

Colored crayons on paper and mounted

Colored marker on paper

Graphite on paper

Collage, charcoal

Gouache, black ink, and graphite on white wove paper

Black marker on paper

Black crayon on paper

Graphite on envelope