Prefabricated Copper Houses, 1931-1932: Building types K1, K2: framing plan, 1:20

Photomechanical print in red and black inks on white paper

Photomechanical print with red ink, wash, and gouache on paper

Photomechanical print with applied type and typewritten text on paper

Photomechanical print with graphite and red pencil on paper

Typewritten text on paper

Photomechanical print in black and pink inks on white paper

Photomechanical print with red pencil on paper

Photomechanical print in red and black inks on white paper