Prefabricated Copper Houses, 1931-1932: Building type M1: plans

Graphite on paper

Ink and applied label on paper

Black crayon on paper

Colored crayons on paper

Black crayon on paper

Graphite and red pencil on paper

Graphite on paper

Colored marker and black pen on paper

Gouache and graphite on cream wove paper

Graphite on paper

Black crayon on paper

Black ink on translucent vellum paper