Apartment House for Interbau Exhibition, Berlin-Hansaviertel, 1955-1957: Plan and details, type II, III, 1:50, 1:10

Charcoal on paper

Graphite on white translucent vellum paper

graphtie and red colored pencil on cream colored paper

Crayon on paper

Watercolor, gouache, ink, and graphite on cream paper mounted on board

Graphite on paper

Colored crayons on paper

Graphite on paper

Graphite on off-white wove paper

Red chalk on buff wove paper

Black ink on white wove paper

Ink on paper