Apartment House for Interbau Exhibition, Berlin-Hansaviertel, 1955-1957: Balcony: sections, 1:10

Black ink and yellow chalk on off-white wove paper

Graphite on lightweight tan wove paper

Graphite and brown wash on cream wove paper

Black ink on off-white wove paper

Black ink and watercolor pencil on cream wove paper

Black ink on heavy white wove paper

Brown wash, watercolor, and white gouache on beige fabric

Black ink and yellow chalk on off-white wove paper

Brown crayon on paper

Dark brown ink on white wove paper

Charcoal heightened with white chalk on paper

Ink and charcoal on paper