"Haus Sonnenfang" Sanatorium, Berlin, 1931: Sketch of perspectives and plans

Colored marker on paper

Colored crayons on paper

Opaque watercolor and adhesive on paper

Color photocopies and adhesive on paper

Black and red marker and black pen on paper

Colored marker, blue pen, and black pen on paper

Graphite on paper

Black marker on paper

Black and red marker on paper

Colored marker on paper

Black crayon on gray wove paper, mounted to textured brown board

Black marker on paper