Apartment House for Interbau Exhibition, Berlin-Hansaviertel, 1955-1957: Plan and elevation

Black ink on off-white wove paper

Black ink on off-white wove paper

Oil on card (four sheets) hung on metal pin

Graphite on paper

Watercolor and white gouache over graphite on heavy off-white wove paper

Black ink and gray wash on cream laid paper, mounted to brown wove paper

Graphite on white wove paper

Pastel and graphite on white wove paper

Graphite on off-white wove paper

Black wash on tan wove paper

Watercolor over graphite on off-white wove paper

Graphite and red and white pastel on blue laid paper