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

Graphite on newspaper

Hammered marks on blue transfer paper

Watercolor on off-white wove paper

Black, brown and blue crayon on paper

Watercolor on off-white wove paper

Black crayon on tan wove paper

Black ink over graphite on cream laid paper

Watercolor and graphite on off-white wove paper

Graphite and charcoal on paper

Graphite on paper

Oil on green prepared paper

Charcoal on heavy buff wove paper