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

Graphite on paper

Black marker on paper

Graphite on paper

Colored marker on paper

Green, blue and black crayon on paper

Black marker and opaque watercolor on paper

Colored crayons on paper and mounted

Graphite on paper

Graphite ; graphite and blue crayon on paper

Black marker on paper

Black and red marker on paper

Mixed media