Apartment House for Interbau Exhibition, Berlin-Hansaviertel, 1955-1957: Sketch of elevation with penthouse

Graphite on off-white wove paper

Graphite and ink on paper

Black ink on off-white wove paper

Graphite on paper

Collage with multiple drawing media on cream wove paper

Graphite on off-white wove paper

Black and blue ink on off-white wove paper

Black ink on thin buff wove paper

Black marker and graphite on graph paper

Mixed media on paper

Graphite on soft white wove paper

Graphite on blue wove paper