Prefabricated Copper Houses, 1931-1932: Building type K: plan

Gray marker on paper

Gouache, crayon, watercolor and charcoal on paper

Graphite on paper

Black and metallic marker on paper

Black ink on cream wove paper

Black crayon on paper

Black and yellow crayon on paper and mounted

Black ink on paper

Colored marker on paper

Graphite on paper

Black marker on paper

Black, green and blue crayon on paper