Furnishing for Kass Country Residence, Berlin-Zehlendorf, 1932: Stairway with landings: plan

Black marker on paper

Watercolor and graphite on paper

Colored marker and blue and black pen on paper

Black crayon on tan wove paper

Cut pieces of halftone printed newsprint adhered to off-white wove paper

Colored marker on paper

Graphite on paper and mounted

Black marker on paper

Brown ink on cream paper

Black marker on paper

Graphite on paper

Graphite on paper