Prefabricated Copper Houses, 1931-1932: Building type K: perspective sketch

Graphite on paper

Graphite on paper

Colored marker on paper

Colored marker on paper

Colored crayons on paper

Black crayon on off-white wove paper

Black marker, black pen, and graphite on sheets of paper and adhesive on paper

Black ink on cardboard

Graphite and crayon on paper

Graphite on tan wove paper

Graphite on cream wove paper mounted to cream wove paper

Black marker on paper