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

Black and red marker on paper

Charcoal on tan wove paper

Graphite on paper

Graphite on paper

Black crayon on paper

Black, gray, and yellow crayon on paper

Colored marker on paper

Colored and metallic marker on paper

Black marker on paper

Graphite and colored pencil on paper

Graphite on paper

Graphite on off-white wove paper