Untitled (notes, left page); Untitled (layout for duration of "Silberne Frequenz" in Münster, right page)

Black marker on paper

Blue marker and black pen on paper

Black crayon on paper

Graphite on paper and mounted

Graphite on paper

Black crayon on paper

Graphite on paper

Black marker on paper

Black crayon on paper

Colored marker, paper, and adhesive on paper

Graphite on paper

Colored marker on paper