Apartment House for Interbau Exhibition, Berlin-Hansaviertel, 1955-1957: South elevation, 1:100

Mixed media on paper

Graphite on off-white cardboard

Graphite and blue crayon? on dark cream wove paper

Watercolor and blue pencil on white wove paper

Verso: graphite on off-white laid paper

Graphite on off-white wove paper

Black ink, watercolor, and metallic paint over graphite on cream wove paper; album leaf: black ink and graphite

Typewritten text on hole-punched cream wove paper in mylar sheet protector

Graphite on paper

Graphite on off-white wove paper

Black ink over graphite on gray wove paper

Charcoal and orange chalk on blue-gray laid paper