Apartment House for Interbau Exhibition, Berlin-Hansaviertel, 1955-1957: Sketch of plan with circulation

Watercolor over graphite on buff wove paper

Black ink on cream wove paper

Incised line and Aquarelle on white wove paper

Graphite on paper

Watercolor with added viscous medium over graphite on cream wove paper

Tempera, opaque watercolor, and black ink on off-white wove paper

Graphite on off-white wove paper (recto and verso)

Watercolor on off-white wove paper, mounted to cardboard

Black ink, charcoal, watercolor, and watercolor pencil on cream laid paper

Black ink on cream laid paper

Black chalk over red chalk on darkened off-white wove paper

Charcoal and oil paint on cream wove paper