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

Black and brown ink and white gouache

Black marker and blue pen on paper

Graphite on paper

Graphite and colored crayons on cream laid paper

Graphite on cream wove paper

Blue pen on paper

Graphite on paper

Colored crayons on paper and mounted

Watercolor and graphite on paper

Blue and green marker on paper

Black marker on paper

Black crayon on paper