"Haus Sonnenfang" Sanatorium, Berlin, 1931: Roof plan, 1:500

Colored marker on paper, black and white photocopy, and adhesive

Black crayon on paper

Watercolor and graphite traces on off-white wove paper

Ink, graphite, and portion of applied label on paper

Black and red marker on paper

Colored marker on paper

Black ink and charcoal on cream laid paper

Ink and watercolor on paper

Graphite on paper

Graphite on paper

Graphite and blue crayon on paper

Colored marker and black pen on paper