Apartment House for Interbau Exhibition, Berlin-Hansaviertel, 1955-1957: North entrance: plan, elevations, section, 1:20, 1:10

Sketchbook with paper-covered cardboard covers

Charcoal and white and red chalk on cream laid paper

Charcoal on beige laid paper

Charcoal on cream laid paper

Graphite on off-white laid paper

Charcoal on off-white laid paper

Graphite on paper

Graphite on off-white wove paper

Opaque watercolor and black ink on white wove paper

Graphite on off-white wove paper

Graphite and graphite wash on layered translucent vellum paper

Watercolor & white gouache on off-white wove paper, mounted overall to cardboard