Competition Entry for Central Court Building, Berlin, 1929-1930: Ground floor plan

Colored crayons on paper

Watercolor on paper

Graphite with blue and red crayon on paper

Black crayon on off-white wove paper

Graphite on paper

Black and red marker on paper

Graphite on paper

Colored and metallic marker and black pen on paper

Colored marker on paper

Graphite and ink on paper

Black marker on paper

Colored marker on paper