Apartment House for Interbau Exhibition, Berlin-Hansaviertel, 1955-1957: North elevation, 1:100

Black ink on off-white wove paper

Graphite on off-white wove paper

Charcoal on blue laid paper

Graphite on paper

Black ink, graphite, and yellow chalk on off-white wove paper

Graphite on thin off-white wove paper

Graphite on cream wove paper

Watercolor on off-white wove paper

Charcoal on off-white laid paper

Pastel on brown wove paper

Black ink over graphite on cream paper mounted to board

Watercolor over graphite on off-white laid paper