Apartment House for Interbau Exhibition, Berlin-Hansaviertel, 1955-1957: Plan and interior elevation

Ink on translucent wove paper

Charcoal on cream laid paper

Transparent and opaque watercolor on off-white wove paper

Black ink and graphite on off-white wove paper

Black ink, charcoal, watercolor, and watercolor pencil on beige laid paper, edges taped

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

Red pencil and black ink on two sheets of white wove paper mounted to sheet of off-white wove paper

Graphite on off-white wove paper

Graphite on buff wove paper

Ink on paper

Black chalk and charcoal on off-white laid paper

Black ink and brown chalk on blue laid paper, mounted to cardboard