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

Ink on paper

Black and yellow crayon on paper and mounted

Graphite on paper

black and colored inks, applied type, typewritten text, and collage elements on composition board

Charcoal on white laid paper

Colored crayons on paper

Black marker on paper

Graphite on paper

Graphite on paper

Graphite and transparent watercolor on cream wove paper

Colored marker on paper

Graphite on paper