Prefabricated Copper Houses, 1931-1932: Building type K0: elevations, 1:50

Graphite and purple crayon on paper

Colored marker on paper

Black and colored crayons on paper

Ink on paper

Black crayon on paper

Graphite on paper

Watercolor on paper

Green and yellow crayon on paper

Charcoal and black and colored chalks on cream wove paper

Graphite on paper

Black and colored crayons on off-white laid paper

Graphite and colored pencil on paper