Apartment House for Interbau Exhibition, Berlin-Hansaviertel, 1955-1957: Plan and elevation

Black ink on off-white wove paper

Black ink and white-gray gouache on grayish-white textured wove paper

Graphite on paper

Black ink on off-white wove paper

Red-orange and yellow-green crayon, and graphite on off-white wove paper

Black chalk and charcoal on off-white laid paper

Watercolor, white gouache, and graphite on cream wove card

Black ink on off-white wove paper

Blue, yellow, and white colored pencil on tracing paper

Black ink over graphite on cream board

Crayon on paper

Charcoal on off-white wove paper; verso: graphite