Apartment House for Interbau Exhibition, Berlin-Hansaviertel, 1955-1957: South elevation, 1:200

Graphite on off-white wove paper

Graphite on tan wove paper

Graphite on cream laid paper

Graphite and colored pencil on paper

Charcoal, oil stick, acrylic, and Liquid Paper on white wove paper

Black ink on machine made rag wove paper

Graphite on cream wove paper

Graphite on paper

Sketchbook with cloth-covered cardboard covers

Watercolor over graphite on off-white wove paper

Red crayon on heavy off-white wove paper

Black ink and black wax crayon on off-white wove paper