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

Colored marker on paper

Colored marker and blue pen on paper

Colored marker on paper

Black and colored crayons on paper

Blue pen and red felt-tipped pen

Graphite on paper

Colored crayons on paper

Purple-gray crayon on paper

Black pen on paper

Graphite on paper

Black crayon on paper

Black and aqua marker on paper