Prefabricated Copper Houses, 1931-1932: Building type M: plans, 1:50

Black and red inks and opaque watercolor over traces of graphite with collage of cut and printed papers on off white wove paper

Colored and metallic marker and black pen on paper

Graphite on paper

Charcoal, partially stumped, on tan wove paper, with gritty coating

Graphite on cream wove paper

Graphite on paper

Ink on paper

Black crayon on paper

Graphite on paper

Black crayon on tan wove paper

Colored crayon on tan wove paper

Black marker and black pen on paper