Bahner Residence, Berlin, Klein-Machnow, 1933: Ground floor plan and isometric sketch, 1:100

Black crayon on paper

Graphite on paper

Graphite on paper

Graphite and colored pencil on paper

Graphite on paper

Graphite with yellow and green crayon on paper

Graphite on cream wove paper

Charcoal on cream laid paper

Black and green marker on paper

Reddish brown fiber-tip ink on paper

Graphite and watercolor on paper

Black crayon on paper