Prefabricated Copper Houses, 1931-1932: Building type M2: elevations, 1:50

Black and blue pen and orange marker on paper

Graphite on cream wove paper

Mixed media on white wove paper

Graphite on paper

Colored marker on paper

Graphite and colored crayon on paper

Pastel on composition board

Blue marker on paper and translucent film

Graphite on paper

Blue pen on paper

Colored crayon on paper

Colored marker and adhesive on paper