Apartment House for Interbau Exhibition, Berlin-Hansaviertel, 1955-1957: Balcony: sections, 1:10

Graphite with scratchwork on white wove paper

Black and colored crayon on off-white wove paper

Graphite on cream wove paper

Blue pen on commercially lined yellow paper

Watercolor on off-white wove paper

Watercolor over graphite on off-white wove paper

Graphite on thin off-white wove paper

Ink on paper

Ink on paper

Charcoal on off-white laid paper

Graphite on paper

Black ink and graphite; verso: graphite