Apartment House for Interbau Exhibition, Berlin-Hansaviertel, 1955-1957: Typical floor plan and roof plan, 1:100

Graphite on darkened buff wove paper

Charcoal on cream laid paper

Sketchbook with cardboard backing, heavy paper cover, and spiral wire binding

Ink on paper

Black ink on white wove paper

Paper bound sketchbook

Oil and watercolor over graphite on cream wove paper

Graphite on tan wove paper

Graphite on darkened off-white wove paper

Paintstick on thick off-white wove paper

Watercolor and graphite on off-white wove paper

Black ink on white wove paper