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

Ink on paper

Colored marker and black pen on paper

Black marker on paper

Colored marker on paper

Watercolor on off white wove paper

Graphite on paper

Graphite and colored pencil on paper

Colored marker on paper

Colored marker on paper

Black crayon on paper

Brown and black marker on paper

Black and red marker on paper