Competition Entry for Central Court Building, Berlin, 1929-1930: Second, fourth and sixth floor plans

Brown ink on tan wove paper

Graphite on paper

Black crayon on paper

Pink crayon; verso: purple crayon on paper

Black crayon on paper

Colored marker on paper

Colored marker on paper

Black marker and opaque watercolor on paper

Graphite on paper

Blue pen on paper

Graphite on paper

Graphite with blue and yellow crayon on paper