Prefabricated Copper Houses, 1931-1932: Building types S, S1: green house plan, elevation, and section, 1:20

Black ink and graphite traces on tan wove paper

Graphite on paper

Colored marker and green pen on paper

Woodcut printed in black, orange, blue, brown and beige ink on off-white wove paper

Graphite on paper

Ink, wash, and graphite on paper

Graphite on paper

Graphite on paper

Graphite on paper

Graphite on paper

Graphite and blue crayon on paper

Transparent and opaque watercolor over graphite on cream wove paper