Apartment House for Interbau Exhibition, Berlin-Hansaviertel, 1955-1957: Staircase: section, 1:50

Graphite, pastel and charcoal over screenprint on cream wove paper

Charcoal on off-white laid paper

Graphite on paper

Acrylic paint on white wove paper

Charcoal on cream laid paper

Graphite on paper

Acrylic, graphite, and computer print-out on off-white wove paper

Brown wash over graphite on off-white wove paper

Graphite on off-white wove paper

Graphite on cream wove paper

Cast paper

Watercolor over graphite on off-white wove paper