Bahner Residence, Berlin, Klein-Machnow, 1933: Outer wall, section, 1:20

Black and red marker and black pen on paper

Colored marker and black pen on paper

Graphite on paper

Colored crayons on paper

Opaque watercolor on paper

Black and red marker on paper

Black marker on paper

Black crayon on tan laid paper

Black marker on paper

Watercolor, charcoal and graphite on white wove paper

Black crayon on paper

Black crayon on paper