Prefabricated Copper Houses, 1931-1932: Building type M: basement and ground floor plans

Colored marker and opaque watercolor on paper

Graphite on paper

Graphite on paper

Black crayon on paper

Graphite and colored crayon on paper

Graphite and transparent watercolor on cream wove paper

Black marker on paper

Graphite on paper

Black crayon on back of letter

Orange paper with gold flecks

Blue pen on paper

Graphite on paper