Apartment House for Interbau Exhibition, Berlin-Hansaviertel, 1955-1957: Plans and elevations, 1:100

Graphite on paper

Graphite on off-white wove paper

Graphite on off-white wove paper

Charcoal on blue laid paper

Mixed media on paper

Watercolor and white gouache on off-white wove paper

Graphite on paper

Incised line and Aquarelle on white wove paper

Graphite on cream laid paper

Graphite, red pencil, and blue ballpoint ink on thin white wove paper

Black ink, charcoal, watercolor, and watercolor pencil on cream laid paper, edges taped

Graphite on off-white wove paper