Apartment House for Interbau Exhibition, Berlin-Hansaviertel, 1955-1957: East and north elevations, 1:200

Watercolor on off-white wove paper

Charcoal on blue laid paper

Gouache on very heavy wove paper

Graphite and conté crayon with erasure and stumping on cream wove paper

Pen and brown ink over graphite on off-white wove paper

Graphite on paper

Turpentine wash with oil on off-white wove paper

Pastel and black chalk on layered off-white wove paper

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

Brown ink on white wove paper

Graphite on cream wove paper

Graphite on buff wove paper; verso: blue ink