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

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

Watercolor over graphite on off-white wove paper

Graphite on paper

Acrylic, graphite, and computer print-out on off-white wove paper

Black ink, watercolor, gold paint, white gouache on heavy off-white wove paper

Collage

Watercolor over graphite on off-white wove paper

Black ink on tan wove paper (recto and verso)

Graphite on cream wove paper

Ink and graphite on paper

Graphite on off-white wove paper

Black ink and graphite on off-white wove tracing paper