Bahner Residence, Berlin, Klein-Machnow, 1933: Staircase window: elevation and section, 1:20

Black marker on paper

Ink and applied type on paper, spatter-painted

Colored marker and adhesive on paper

Graphite and colored crayons on cream wove paper

Graphite on envelope

Graphite on paper

Black marker on paper

Colored marker on paper

Graphite on paper

Graphite, partially erased, on white wove paper

Colored marker on paper

Black and red inks, wash, and applied type on paper