Untitled (blank, left page); Untitled (notes with "Rasterbild" sketches, right page)

Graphite on paper

Colored crayons on paper

Colored marker on paper

Ink on paper

Red and blue marker on paper

Watercolor and black ink on off-white wove paper and handwritten note mounted to wood pulp board

Black marker on paper

Black marker on paper

Black crayon on paper

Blue marker and black pen on paper

Graphite and colored pencil on paper

Graphite and blue crayon on paper