Apartment House for Interbau Exhibition, Berlin-Hansaviertel, 1955-1957: Kitchen type II, III: plan and elevations, 1:20, 1:50

Graphite on paper

Watercolor on off-white wove paper

Graphite on off-white wove paper

Silverpoint on gray wove paper prepared with Chinese white

Black ink and colored chalk on translucent buff wove paper

Graphite on paper

Graphite on off-white wove paper

Graphite with scratchwork on glossy off-white wove paper, mounted on board

Colored crayon on cream wove paper; verso: black ink and graphite

Graphite on tan wove paper

Black ink and charcoal on cream laid paper

Colored crayons ; black crayon on paper