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

Graphite on paper

Colored marker and blue pen on paper

Graphite on paper

Black crayon on paper

Colored marker on paper

Graphite on light gray wove paper

Ink and graphite on paper

Graphite on paper

Graphite on paper and mounted

Black marker, blue ink, and red ink on paper

Graphite on paper

Graphite on paper