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

Colored and metallic marker and black pen on paper

Watercolor on paper

Colored marker on paper

Graphite on paper

Charcoal on paper

Black ink on cream wove paper

Ink and wash on paper

Graphite on paper

Graphite on paper

Black crayon on paper

Graphite on paper

Blue, red and brown crayon on paper