Apartment House for Interbau Exhibition, Berlin-Hansaviertel, 1955-1957: East elevation and section, 1:100

Graphite on heavy weight, white card stock (Strathmore Bristol board)

Graphite on off-white wove paper

Black chalk on tracing paper

Black ink over graphite on cream laid paper

Crayon on paper

Black chalk on off-white wove paper

Ink and brown pencil on white wove paper

Colored pencil on paper

Graphite on paper

Graphite on buff wove paper

Graphite on cream wove paper

Watercolor and white gouache over graphite on off-white wove paper