Large Housing Development, Berlin, 1929: Diagram of connection between traffic frequency and space

Black ink on off-white wove paper

Ink on paper

Graphite on paper

Black crayon on paper

Black crayon on paper

Colored marker on paper

Black and red marker on paper

Graphite with blue and green crayon on paper

Graphite with crayon on paper

Graphite on back of letter

Graphite on paper

Graphite on off-white wove paper