Prefabricated Copper Houses, 1931-1932: Building types 2 and 2a: ground floor plan

Colored marker on paper and translucent film

Paper

Graphite on paper

Graphite and charcoal on paper

Diluted emulsion paint on white paper envelope

Ink and graphite on paper

Colored marker, black pen, and graphite on paper

Black crayon on paper

Graphite on paper

Black crayon on paper

Charcoal, stumped, and pastel on cream laid paper

Colored marker on paper