Research Project on Economical Apartment Design, 1930: Building type IIIb: ground floor plan showing plumbing and gas installation

Photomechanical print in black ink on light green paper

Photomechanical print in gold, dark blue and burgundy inks on paper

Photomechanical print in orange and blue inks on white paper

photomechanical print with wash, colored inks, colored pencil and crayon on paper

Photomechanical print with wash and applied type on paper

Typewritten text on paper

photomechanical print with red ink, spatter paint, applied type, and collage elements on paper