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

Gouache and collage on off-white wove paper

Graphite and blue crayon? on dark cream wove paper

Gouache and graphite on white Fome-Cor

Graphite on paper

Black ink, graphite, and yellow chalk on off-white wove paper

Red chalk on blue laid paper

Oil on cardboard

Graphite on off-white wove paper

Black ink on illustration board

Graphite and pastel on gray laid paper

Black ink and gray wash on cream laid paper

Graphite sketches on brown paper