Apartment House for Interbau Exhibition, Berlin-Hansaviertel, 1955-1957: Elevations and sketch of floor plan

Graphite on paper

Black ink on off-white wove paper mounted to card

Black crayon on paper and mounted

Charcoal on yellowed cream wove paper

Graphite on off-white wove paper

Black crayon and black ink on off-white wove paper

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

Graphite on off-white wove paper

Acrylic and oil stick on three (?) layers of white wove paper

Watercolor on paper

Graphite on paper

Watercolor, white gouache and graphite on off-white cardboard