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

Black crayon on paper

Black crayon on paper

Black and red marker on paper

Colored marker and black pen on paper

Graphite on paper

Graphite on paper

Dark green crayon on paper

Black, brown and gray crayon on paper

Black crayon on paper

Black and red marker on paper

Black crayon on tan wove paper

Graphite on paper