Research Project on Economical Apartment Design, 1930: Plans of floor with 4 apartments

Photomechanical print in red and black inks on white paper

Photomechanical print in colored inks on white wove paper

Photomechanical print in blue and orange inks on paper

Typewritten text on paper

photomechanical print with yellow wash on cream wove paper, mounted overall to gray board

Photomechanical print in reddish-brown ink on white coated paper

Photomechanical print in colored inks on white wove paper