Competition Entry for Central Court Building, Berlin, 1929-1930: First, third and fifth floor plans

Ink, graphite and gouache on paper

Graphite on paper

Watercolor and charcoal on off-white wove paper

Graphite on paper

Black marker on paper

Black crayon on paper

Graphite on paper

Colored marker on paper

Colored marker on paper

Charcoal, ink, colored pencil, and gouache on off-white wove paper

Colored marker on paper

Colored marker on paper