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

Black and blue marker and blue pen on paper

Graphite on paper

Tusche on tan wove paper

Graphite on paper

Graphite and colored pencil on paper

Graphite on gray wove paper

Black ink on tan wove paper

Graphite with colored crayon ; graphite on paper

Colored crayons on paper

Black and red marker on paper

Graphite on paper

Black marker and pen on paper