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

Yellow ink on off-white wove paper

Black ink and white gouache on white modern laid paper

Graphite on off-white wove paper

Watercolor and white gouache on blue-flecked buff wove paper

Incised line and Aquarelle on white wove paper

Watercolor and graphite on cream wove paper

Black ink on white illustration board

Watercolor on off-white wove paper

Graphite on off-white wove paper

Graphite on cream laid paper

Graphite on paper

Graphite and gesso on paper