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

Watercolor and graphite on cream wove paper

Black chalk on cream laid paper

Ink and gouache on paper

Watercolor and white gouache over graphite on buff laid paper

Black ink, white gouache, and black crayon on off-white laid paper

Black ink on off-white laid paper

Watercolor on ruled off-white wove paper

Graphite on paper

Watercolor on off-white wove paper

Graphite on off-white wove paper

Graphite on buff wove paper

Watercolor over graphite on off-white wove paper