Bahner Residence, Berlin, Klein-Machnow, 1933: Letter box: elevation and section, 1:10

Black marker on paper

Black ink and watercolor on beige laid paper

Colored crayon on cream wove paper

Graphite and colored crayons on paper

Black ink on translucent vellum paper

Black ink on paper

Graphite on paper

Black and red inks and applied type on paper

Graphite on off-white wove paper

Black, blue and red crayon on paper

Crayon on paper

Colored marker on paper