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

Graphite on paper

Graphite and colored pencil on paper

Black marker and pen on paper

Graphite on paper

Graphite, watercolor, and black ink on thin cream card

Graphite on paper

Ink and gelatin silver prints mounted to paper

Graphite on paper

Graphite on paper

Ink with blue and olive crayon on paper with torn edges

Black crayon on paper

Graphite on paper