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

Watercolor over graphite on cream wove paper

Black colored pencil on tan wove paper

Graphite on off-white wove paper

Black ink and gouache on cream wove paper; verso: black ink

Oil over graphite on cream wove paper

Graphite on cream wove paper

Graphite on thin buff wove paper

Graphite on soft white wove paper

Brown ink and green crayon on off-white wove paper, mounted to wove paper

Crayon on paper

Drawing scratched on slide film, hand colored

Watercolor on cream wove paper