Prefabricated Copper Houses, 1931-1932: Stairs and base: details, 1:20

Photomechanical print in red and black inks on white paper

Photomechanical print in red and black inks on white paper

Typewritten text on paper

Photomechanical print with colored pencil on paper

Photomechanical print in black ink on white paper

Photomechanical print in colored inks on white wove paper

Photomechanical print in gold, white and red inks on paper