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

Photomechanical prints mounted to board

Photomechanical print in red and black inks on paper

photomechanical print with black and colored inks, wash, and applied type on paper

Photomechanical print with colored pencil on paper

Photomechanical print with colored pencil on paper

Photomechanical print in red and black inks on white paper

Photomechanical print with graphite and red pencil on paper

Graphite on paper