Prefabricated Copper Houses, 1931-1932: Building types M1 and M2: elevations showing three different possibilities for the roofing of a veranda, 1:50

Gouache, black ink, watercolor, and graphite on cream wove paper

Graphite and charcoal on paper

Graphite on off-white wove paper

Colored marker and green pen on paper

Graphite on paper

Colored marker on paper

Charcoal on cream wove paper

Colored crayons on paper

Blue and green crayon on paper

Graphite on paper

Colored marker on paper

Black crayon on paper