Apartment House for Interbau Exhibition, Berlin-Hansaviertel, 1955-1957: Elevations and sketch of floor plan

Watercolor and gouache on off-white wove paper

Black marker on graph paper

Black ink, graphite, and yellow chalk on off-white wove paper

Transparent and opaque watercolor on white wove paper

Collage on board

Watercolor and graphite on off-white wove paper

Graphite on paper

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

Crayon on paper

Black crayon on buff wove paper

Watercolor, black ink and white gouache on off-white wove paper

Charcoal on off-white laid paper