Apartment House for Interbau Exhibition, Berlin-Hansaviertel, 1955-1957: Door schedule, 1:50

Brown wash and white gouache over graphite on cream wove paper

Graphite, watercolor and gray wash on cream wove glossy paper

Crayon on paper

Watercolor on cream wove paper

Crayon and graphite on brown wove paper

Watercolor and white gouache on off-white wove paper

Sketchbook with red cloth-covered cardboard covers

Watercolor and graphite on off-white wove paper

Graphite on paper

Watercolor and graphite on white wove paper

Stamped ink on newspaper

Graphite on off-white laid paper