Apartment House for Interbau Exhibition, Berlin-Hansaviertel, 1955-1957: Sketches

Acrylic and gouache (?) and graphite on off-white handmade wove paper

Collage over intaglio print and newsprint with various wove papers, corrugated cardboard, white glossy coated paper, paperboard, tissue, graphite, black crayon, black and purple inks, and metallic silver foil

Charcoal on off-white laid paper

Graphite on paper

Crayon on paper

Graphite on paper

Graphite on paper

Incised line and Aquarelle on white wove paper

Black ink on white wove paper

Watercolor over graphite on off-white wove paper

Graphite on paper

Graphite on off-white wove paper