Prefabricated Copper Houses, 1931-1932: Building type K1: elevations, 1:50

Black crayon on off-white wove paper

Graphite on paper

Black and red marker on paper

Graphite on tan, commercially squared paper

Graphite on paper

Watercolor and graphite on paper

Colored marker, opaque watercolor, paper, graphite, and adhesive on paper

Black marker on paper

Graphite on paper

Graphite and watercolor on paper

Graphite on paper

Colored marker and blue pen on paper