Apartment House for Interbau Exhibition, Berlin-Hansaviertel, 1955-1957: Typical floor plan and roof plan, 1:100

Crayon on paper

Graphite on off-white wove paper (recto and verso)

Brown conté crayon on ivory laid paper

Black ink, blue crayon, white-out and touches of red ink on pink squared wove paper

Graphite on off-white wove paper

Turpentine wash with oil on cream laid paper

Charcoal on blue wove paper

Graphite on paper

Watercolor on off-white wove paper

Black ink, graphite, and colored chalk on cream wove paper

Black ink on dark blue wove paper

Graphite on off-white wove paper