Recreation and Cultural Buildings, Berlin-Tiergarten, 1929-1930: Tunnel: plan and section, 1:1000, 1:100

Photomechanical print with colored pencil on paper

Photomechanical print with colored crayons and graphite on paper

Photomechanical print with wash on paper

Photomechanical print in light blue ink on white paper

Black ink on off-white card, magnetic band, in plastic sleeve

Photomechanical print with colored pencil on paper

Photomechanical print with colored ink, wash, and applied type on paper