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

Watercolor and graphite on off-white wove paper mounted to off-white card

Colored marker and black pen on paper

Graphite on paper

Opaque watercolor on tan wove paper

Charcoal on cream laid paper

Black and brown ink and white gouache

Ink and applied type on paper

Black and red marker on paper

Colored crayons on paper

Graphite on paper

Graphite on paper

Black marker on paper