Bahner Residence, Berlin, Klein-Machnow, 1933: Sketches of plans and elevations

Black crayon on paper

Graphite with yellow and green crayon on paper

Black and green crayon on paper

Graphite and colored pencil on paper

Black, blue and yellow crayon on paper

Black marker on paper

Colored marker and black pen on paper

Graphite on paper

Graphite on paper

Graphite and colored pencil on paper

Graphite, black ink, and blue ink on paper

Ink on paper