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

Graphite and black crayon on paper

Colored crayons on paper

Black crayon on paper and mounted

Blue, red and brown crayon on paper

Colored marker on paper

Colored marker and blue pen on paper

Graphite and crayon on paper

Black crayon on paper

Ink on paper

Black crayon and blue accent on paper

Colored crayons on paper

Black crayon on paper