Prefabricated Copper Houses, 1931-1932: Building type K0: basement and ground floor plans, 1:50

Graphite, charcoal, and chalk on paper

Colored crayon on paper

Black and blue crayon on paper

Graphite on paper

Colored marker on paper

Ink, graphite, water staining and embossing on off-white wove paper

Graphite on paper

Graphite on paper

Black marker on paper

Graphite, and transparent and opaque watercolor on white wove paper

Graphite on paper

Ink and colored crayons on paper