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

Black conté crayon on ivory tracing paper

Graphite on off-white wove paper

Pastel on brown pastel board

Graphite on paper

Graphite on paper

Crayon on paper

Watercolor over graphite on off-white wove paper

Graphite and blue crayon on paper

Graphite and brown ink on gray wove paper

Graphite on off-white wove paper

Graphite and gesso on paper

Graphite on paper