Bahner Residence, Berlin, Klein-Machnow, 1933: Plans and perspective sketch

Graphite on paper

Graphite on paper

Colored crayons on paper

Graphite on paper

Black marker on paper

Colored marker on paper

Olive, blue and gray crayon on paper

Graphite on paper

Graphite and blue watercolor on pinkish-gray prepared paper

Mixed media

Graphite with colored crayons on paper

Colored marker on paper