Apartment House for Interbau Exhibition, Berlin-Hansaviertel, 1955-1957: East and north elevations, 1:200

Black chalk on off-white wove paper

Graphite on off-white wove paper

Graphite on buff laid paper

Graphite on off-white wove paper

Black and white chalk and charcoal on blue laid paper

Graphite on paper

Graphite on white wove paper

Charcoal on off-white laid paper

Watercolor and Chinese ink on white wove paper

Watercolor over graphite on off-white wove paper

Black colored pencil on tan wove paper

Black ink, gouache, crayon, graphite, collage and scratchwork on prepared board