Apartment House for Interbau Exhibition, Berlin-Hansaviertel, 1955-1957: Staircase: section, 1:50

Graphite on paper

Metallic gold, metallic copper, black, orange, and blue paint (spray-applied) over stencil, with graphite inscriptions, on off-white wove paper; verso: black paint (spray-applied)

Pink and black ink, gray wash, and white gouache on off-white wove paper

Graphite and ink on paper

Watercolor and black ink on gampi paper

Crayon on paper

Black ink on off-white wove paper

Watercolor over graphite on off-white wove paper, mounted to off-white card

Ink and gouache on paper

Collage

Black ink on white wove paper

Graphite and watercolor on off-white wove paper