Apartment House for Interbau Exhibition, Berlin-Hansaviertel, 1955-1957: Site plan, 1:200

Graphite on paper

Graphite on off-white wove paper

Charcoal on paper

Watercolor and graphite on off-white wove paper

Black crayon on paper and mounted

Verso: graphite on off-white laid paper

Watercolor on ruled off-white wove paper

Black ink over graphite on off-white laid paper

Graphite on paper

Black ink on off-white wove paper

Charcoal on cream laid paper

Black crayon on off-white wove paper