Untitled (notes, left page); Untitled (sketch for Kunstmuseum Celle, right page)

Paper

Black marker and blue ink on paper

Colored marker and black ink on paper

Black ink on paper

Graphite on white wove paper

Red and black marker on paper

Colored marker and black ink on paper

Colored marker on paper

Mixed media

Printed ink on paper and adhesive on sketchbook paper

Blue and black marker and black ink on paper

Blue felt-tipped pen on paper