Prefabricated Copper Houses, 1931-1932: Building types S and S1: roof elevation and sections, 1:10

Black and colored crayon on off-white wove paper

Graphite on paper

Colored crayons on paper

Black and red marker on paper

Charcoal and black ink on darkened cream wove paper

Colored marker on paper

Black ink on off-white wove paper

Colored marker on paper

Black ink and graphite on modern laid off-white paper

Watercolor on Japanese paper

Blue, yellow and green crayon on paper

Colored crayons on off-white wove paper