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

Graphite on off-white wove paper

Watercolor over graphite on cream laid paper

Black chalk and charcoal on off-white laid paper

Graphite and ink on paper

Black fiber-tip ink on off-white wove paper

Watercolor on off-white wove paper

Black ink on off-white wove paper

Colored crayons on paper

Charcoal on blue laid paper

Black crayon on paper and mounted

Graphite on paper

Graphite and black chalk on off-white wove paper