Bahner Residence, Berlin, Klein-Machnow, 1933: Terrace: plan, elevations, and sections, 1:50

Watercolor on paper

Black marker on paper

Ink on paper

Watercolor over graphite on white wove paper

Graphite on paper

Black crayon on paper

Graphite on paper

Graphite on paper

Black, blue and orange crayon on paper and mounted

Graphite on paper

Ink and colored crayons on paper

Graphite and crayon on paper