Prefabricated Copper Houses, 1931-1932: Building types 1a and 1b: ground floor plan

Graphite and black crayon on paper

Colored marker on paper

Graphite and crayon on paper

Wax crayon and tempera on paper

Black crayon on tan wove paper

Graphite on paper

Wash on paper

Graphite on paper

Colored marker on paper

Black crayon on paper

Colored marker on paper

Graphite on paper