Bahner Residence, Berlin, Klein-Machnow, 1933: Ground floor plan and isometric sketch, 1:100

Colored marker on paper

Graphite on squared paper

Graphite on paper

Black crayon on paper

Ink on paper

Black crayon on paper

Colored crayons ; black, blue and yellow crayon on paper

Graphite with yellow, red and blue crayon ; graphite on paper

Ink on paper

Graphite with yellow and green crayon on paper

Graphite on envelope

Paper