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

Turpentine wash with oil on off-white wove paper?

Graphite on off-white laid paper

Graphite on darkened buff wove paper

Watercolor and black ink over graphite on off-white wove paper

Graphite on pink laid? paper

Graphite on off-white wove paper

Graphite on paper

Watercolor on thin off-white wove paper

Ink on slide film, hand colored

Black ink, gray-blue watercolor, and spots of white gouache on cream wove paper; verso: graphite

Black and colored crayon on off-white wove paper

Gouache, graphite and watercolor on off-white Japanese paper