Prefabricated Copper Houses, 1931-1932: Building type K1: perspective

Colored crayon on paper

Black marker on paper

Black ink on off-white wove paper, folded

Graphite on paper

Colored marker on paper

Graphite on paper

Blue pen and pink marker on paper

Olive, gray and orange crayon on paper

Colored crayons on paper

Colored marker on paper

Crayon on paper

Black crayon on envelope