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

Charcoal, oil stick, acrylic, and Liquid Paper on white wove paper

Watercolor on cream wove paper

Black ink on off-white wove paper

Black crayon, black chalk, and ink splatters on handmade white wove paper

Graphite on cream wove paper

Graphite on off-white wove paper

Watercolor and white gouache over graphite on off-white wove paper

Oil on off-white wove paper?

Ink on paper

Crayon on paper

Crayon on paper

Watercolor on off-white wove paper