Apartment House for Interbau Exhibition, Berlin-Hansaviertel, 1955-1957: Door schedule, 1:50

Tempera on purple construction paper

Graphite on paper

Charcoal on faded blue laid paper

Watercolor and black ink on white laid paper

Colored chalk on blue wove paper

Watercolor and graphite on layered off-white wove paper

Graphite on paper

Black crayon and graphite wash on off-white wove paper

Black ink on frosted mylar

Graphite on off-white wove paper

Graphite and gray wash on cream wove paper

Graphite on paper