Apartment House for Interbau Exhibition, Berlin-Hansaviertel, 1955-1957: Site plan, 1:200

Graphite on paper

Watercolor on cream wove paper

Graphite on paper

Graphite on cream wove paper

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

Crayon on paper

Tempera on buff card

Crayon on paper

Crayon on paper

Graphite, pastel and charcoal over screenprint on cream wove paper

Crayon on paper

Watercolor over graphite on off-white wove paper