Prefabricated Copper Houses, 1931-1932: Building types D1, D1a, D1b, D1c: plans, 1:20

Photomechanical print in reddish-brown ink on white paper

Photomechanical print in black ink on off-white card, dry collage

Black ink on off-white card

Photomechanical print with red ink and wash on paper

Photomechanical print in black ink on white paper

Photomechanical print in black ink on off-white card

Photomechanical print in red and black inks on white paper

Photomechanical print with wash on paper