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

Graphite on paper

Olive crayon on paper

Graphite on paper

Ink and colored crayons on paper

Graphite on paper

Colored crayon on paper

Blue marker on paper

Graphite on paper

Ink on paper

Graphite on paper

Black marker on paper

Graphite on paper