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

Red marker and black pen on paper

Black and red marker on paper

Black crayon on paper

Graphite on paper

Graphite and colored pencil on off-white wove paper

Graphite on paper

Blue and green marker on translucent film and paper

Graphite on paper

Colored crayons ; black crayon on paper

Black ink, b/w photocopy on stationery, and adhesive on paper

Black and blue crayon on paper

Black crayon on paper