Apartment House for Interbau Exhibition, Berlin-Hansaviertel, 1955-1957: Plan type I, 1:50

Crayon on paper

Graphite on off-white wove paper

Graphite on thin off-white wove paper

Charcoal and graphite on off-white laid paper

Charcoal on off-white laid paper

Colored crayons on paper

Colored pencil, colored chalk, and graphite on brown cardboard

Watercolor, graphite wash and black crayon on off-white wove paper

Watercolor and graphite on white wove paper

Black ink on off-white wove paper

Black ink and graphite on off-white wove paper

Crayon on paper