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

Graphite and watercolor on paper

Ink on on blotter paper

Russet crayon on paper

Graphite on paper

Graphite on paper

Graphite on paper

Colored marker on paper

Graphite on off-white wove paper

Colored crayons on paper

Colored crayons on paper

Black marker on paper

Black marker on paper