"Haus Sonnenfang" Sanatorium, Berlin, 1931: First-third floor plan, 1:500

Black crayon on paper

Black crayon on paper

Graphite, watercolor, and ink on paper

Colored marker on paper

Colored marker and black ink on paper

black and colored inks, graphite, applied type, typewritten text, and collage elements on paper

Ink with gray and blue crayon on paper

Graphite on paper

Colored marker on paper

Blue crayon on paper

Graphite on paper

Colored marker on paper