Furnishing for Kass Country Residence, Berlin-Zehlendorf, 1932: Interior perspective sketch

Colored marker on paper

Colored marker on paper

Blue crayon on paper

Graphite on verso of letter

Black crayon on paper

Graphite on paper; colored crayon on paper

Black and red marker on paper

Blue ink, red marker, paper, and adhesive on paper

Black marker on paper

Graphite on paper

Black marker on paper

Black pen on paper