Bahner Residence, Berlin, Klein-Machnow, 1933: Plan with location of trees, 1:200

Colored marker and blue pen on paper

Graphite on paper

Black and blue pen and colored marker on paper

Watercolor on paper

Graphite and red pencil on paper

Black marker and ink on paper

Colored marker on paper

Graphite on cream wove paper

Black crayon on paper

Colored marker on paper

Graphite and colored pencil on paper

Colored marker on paper