Apartment House for Interbau Exhibition, Berlin-Hansaviertel, 1955-1957: Perspective sketch of entrance

Graphite on cream wove paper

Charcoal on modern laid paper

Graphite on paper

Graphite on tracing paper

Graphite on prepared board

Watercolor on off-white wove paper

Black ink and gouache on cream wove paper

Charcoal on off-white wove paper

Graphite on paper

Graphite and black crayon on cream wove paper

Black ink on off-white wove paper (recto and verso)

Graphite on off-white wove paper (recto and verso)