Apartment House for Interbau Exhibition, Berlin-Hansaviertel, 1955-1957: East and north elevations, 1:200

Watercolor on thin white wove paper

Charcoal and white chalk on buff wove paper

Black and purple inks over graphite on tracing paper

Graphite on cream wove paper

Charcoal on buff wove paper

Graphite on paper

Graphite on off-white wove paper

Black felt-tipped pen on yellowed newsprint paper

Graphite on off-white wove paper

Paper

Graphite on paper

Graphite, conté crayon and found fiber on handmade paper