Apartment House for Interbau Exhibition, Berlin-Hansaviertel, 1955-1957: Sketches

Album with black cloth-covered cardboard covers, and thirty drawings

Charcoal on cream laid paper

Watercolor and Chinese ink on white wove paper

Graphite on off-white wove paper

Graphite on off-white wove paper mounted to larger off-white wove paper

Graphite on cream laid paper

Graphite, white chalk, and colored pencil on blue laid paper

Graphite on paper

Black crayon and ink on paper

Graphite on paper

Sketchbook with black-and-white marbled cardboard covers

Graphite on off-white wove paper