Apartment House for Interbau Exhibition, Berlin-Hansaviertel, 1955-1957: Color symbols for different floors

Black crayon on paper

Watercolor over graphite on off-white wove paper

Beeswax, graphite, detritus and debris on wove paper

Charcoal and black ink on cream laid paper

Graphite on buff wove paper

Graphite on off-white wove paper

Watercolor over graphite on heavy off-white wove paper

Red and white chalk on gray modern laid paper

Crayon on paper

Black ink on off-white wove paper

Four objects framed in plexiglas and mounted on painted wooden panel: Property Sketch (Architectural Rendering), blueprint; Perspective Drawing and Topographic Survey Map, collage; Landscape photograph; Standard details, lateral guys, photocopy.

Charcoal on off-white laid paper