Apartment House for Interbau Exhibition, Berlin-Hansaviertel, 1955-1957: North entrance: plan, elevations, section, 1:20, 1:10

Graphite on paper

Watercolor on cream wove paper

Graphite on off-white wove paper

Graphite on off-white wove paper

Graphite with blue and orange on paper

Graphite on paper

Mixed media on paper

Pastel on beige paper mounted to illustration board

Watercolor over graphite on off-white wove paper

Crayon on paper

Colored crayon on brown illustration board

Mixed media on paper