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

Graphite on paper

Charcoal on paper

Wash on paper

Black crayon on paper

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Graphite on paper

Watercolor on paper

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Black and colored inks, applied type, and typewritten text on paper

Graphite on paper

Graphite on paper

Graphite on paper