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

Blue crayon on paper

Graphite on paper

Black ink on paper

Paper

Black and aqua crayon on paper

Ink, crayon and watercolor on paper

Red chalk on brown laid paper

Colored crayons on paper

Ink on paper

Colored crayons on paper

Graphite on paper

Black crayon on paper