"Haus Sonnenfang" Sanatorium, Berlin, 1931: Ground floor plan

Photomechanical print with wash and graphite on paper

Poster; photomechanical print in gold ink on white cardboard

Photomechanical print in black ink on brown paper

Photomechanical print in black and pink inks on white paper

Photomechanical print with wash, graphite, and crayon on paper

Photomechanical print in orange and blue inks on paper

Photomechanical print in red ink on white paper

Typewritten text on paper