Apartment House for Interbau Exhibition, Berlin-Hansaviertel, 1955-1957: South elevation, 1:200

Watercolor and white gouache over graphite on off-white wove paper

Graphite on off-white wove paper

Colored inks and graphite on gray/white handmade paper

Black ink and graphite on thin buff wove paper

Graphite on paper

Charcoal on heavy buff wove paper

Charcoal and graphite on off-white laid paper

Graphite and blue crayon? on dark cream wove paper

Watercolor and white gouache over graphite on off-white wove paper

Black ink, gray and white gouache, and scratchwork on cream wove paper; verso: turquoise ink

Graphite on off-white wove tracing paper

Graphite and colored pencil on translucent wove paper