Apartment House for Interbau Exhibition, Berlin-Hansaviertel, 1955-1957: South elevation, 1:100

Graphite on off-white wove paper

Graphite on cream wove paper

Oil on white primed paper

Black ink and white-gray gouache on grayish-white textured wove paper

Black colored pencil on cream wove paper

Watercolor and white gouache on off-white wove paper

Graphite on off-white wove paper

Graphite on paper

Charcoal on off-white laid paper

Charcoal on paper

Gray wash on off-white wove paper

Black chalk on off-white wove paper