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

Pastel on off-white laid paper

Colored marker on paper

Black crayon on paper

Watercolor on paper

Ink on vellum

Colored crayons on paper

Black pen on paper

Black crayon on paper

Graphite on paper

Graphite and watercolor on white wove paper

Graphite on paper

Brown crayon on paper