Prefabricated Copper Houses, 1931-1932: Foundation plan, 1:20

Photomechanical print with ink, wash, and gouache on paper

Typewritten text on paper

Photomechanical print with red ink and wash on paper

Photomechanical print in orange and blue inks on paper

Graphite on paper

Black ink on off-white card

Photomechanical print in black and red inks on white paper

Photomechanical print with colored pencil on paper

Photomechanical print with wash on paper