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

Graphite and colored pencils on paper

Colored marker on paper

Ink with colored crayons on paper

Colored crayon on paper

Colored marker on paper

Colored marker and black pen on paper

Graphite on off-white wove paper mounted to cream wove paper

Watercolor on paper

Ink and watercolor on paper

Watercolor on paper

Black crayon on paper

Colored pencil on cream wove paper