Apartment House for Interbau Exhibition, Berlin-Hansaviertel, 1955-1957: Balconies: perspective sketch

Graphite and brown ink on gray wove paper

Graphite on off-white wove paper

Graphite and watercolor on bristol board

Graphite on paper

Pastel, opaque watercolor, and graphite on paper

Charcoal on off-white laid paper

Watercolor and gouache over graphite on orange wove paper

Ink on paper

Black crayon on cream wove paper

Watercolor, white gouache, and graphite on cream wove card

Graphite on paper

Charcoal on buff laid paper